RE: password question

2002-02-21 Thread hemantchitale

But where do you get the "known" or "captured" hash ?  Only a DBA can
query DBA_USERS for PASSWORD.  A regular user cannot query DBA_USERS
and cannot see PASSWORD in ALL_USERS.
If you are already a DBA on the target database  you really don't need
to
find out the password for another user.

Supposing you grab a site's FULL Export dump.  I guess you can then
do a FULL Import and  get the "captured" hash.  But why do you need it now
that you have the FULL Database with you anyway ?

Hemant K Chitale
Principal DBA
Chartered Semiconductor Manufacturing Ltd


Jon Baker <[EMAIL PROTECTED]>22/02/2002 02:08 PM
Sent by: [EMAIL PROTECTED]

Please respond to ORACLE-L
   

 To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>   

 cc: (bcc: CHITALE Hemant Krishnarao/IT/CHRT/ST Group) 

 Subject: RE: password question

   

   

   






One way hash, yes, but can use username to forceably crack the password
(same idea as unix CRACK password cracking program).  Hash is consistent
which is why you can pick up the password string and drop it to another
database (same username) and have the password work on the new machine.


A non Oracle example would be to perform the following at the unix prompt:


  echo 'some test string' | md5


With the hash, you could create several variations and test against the
known or 'captured' hash.  Again, brute force method.






Jon Baker
Database Architect
<[EMAIL PROTECTED]>
www.netsec.net





-Original Message-
[mailto:[EMAIL PROTECTED]]
Sent: Friday, February 22, 2002 12:18 AM
To: Multiple recipients of list ORACLE-L





Sameer,


The obvious answer "you can't decrypt the password".  Else a number of
people would think harder about buying Oracle.
It's a one-way hash -- you can't get the original value back.


It is possible to temporarily reset a user's password to something else,
become the user with your own password and reset the password back
to the original value, without knowing what the original password was.


e.g. suppose a user's encrypted password string is 'ABCDEFGHIJKLMNOP',
read this string from DBA_USERS,
store it someplace (a variable, a table ;>),
execute ALTER USER  identified by ,
login as the user CONNECT /,
do your SQLs as that user,
reset the user's password ALTER USER  identified by values
'ABCDEFGHIJKLMNOP'






Hemant K Chitale
Principal DBA
Chartered Semiconductor Manufacturing Ltd





"Ghadge,Sameer" <[EMAIL PROTECTED]>  22/02/2002 11:38 AM
Sent by: [EMAIL PROTECTED]


Please respond to ORACLE-L

 To: Multiple recipients of list ORACLE-L
<[EMAIL PROTECTED]>
 cc: (bcc: CHITALE Hemant Krishnarao/IT/CHRT/ST Group)

 Subject: password question











Hi,
Oracle stores password in encrypted format,
is it possible (suppose i have access to dba_users table)
to retrieve and descrypt the password.





thx
Sameer
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Oracle8i - Oracle9i issue??????

2002-02-21 Thread Denham Eva
Title: Oracle8i - Oracle9i issue??





Hello Guru's


I wonder if any of you have had this problem, we have a external company developing a software package in C#.
On their Oracle9i test system, the software works fine, however once brought accross to our systems,
which is an Oracle8i ( 817) system the software gives a (ORA - 00933 SQL command not properly ended) error, but funny enough only on the one window. I am told by them that they do straight select from a table, saving the returned columns in variables etc.

The only difference is they don't have any semi-colons (;) at the end of the their queries. But catch 22 it works on the other screens(windows).

Hope you folks can help
TIA
Denham




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RE: oracle on linux vs oracle on NT

2002-02-21 Thread Cabansay, Yoyong

Go for Suse Linux and Oracle Apps 11i. Pretty stable and performance is
very good. Have tried it on HPNetserver with 4 CPUs/2GB RAM/170GB Disk
storage on 2 raidsets.

-Original Message-
Sent: Friday, February 22, 2002 2:09 PM
To: Multiple recipients of list ORACLE-L


pros and cons of each please...
stability, performance, management, etc...
for small scale oracle financials implementation
(125 users max)
and what would be the best and most reliable linux distribution to use.

on Compaq proliant hardware

no experience on oracle on linux but with experience with NT (very
disappointing)

Any input will be very much appreciated.

=)

--
Maria Aurora VT de la Vega (OCP)
Database Specialist
Philippine Stock Exchange, Inc.


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RE: password question

2002-02-21 Thread Jon Baker
Title: RE: password question





One way hash, yes, but can use username to forceably crack the password (same idea as unix CRACK password cracking program).  Hash is consistent which is why you can pick up the password string and drop it to another database (same username) and have the password work on the new machine.

A non Oracle example would be to perform the following at the unix prompt:


  echo 'some test string' | md5


With the hash, you could create several variations and test against the known or 'captured' hash.  Again, brute force method.



Jon Baker   
Database Architect
<[EMAIL PROTECTED]>
www.netsec.net



-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]
Sent: Friday, February 22, 2002 12:18 AM
To: Multiple recipients of list ORACLE-L
Subject: Re: password question



Sameer,


The obvious answer "you can't decrypt the password".  Else a number of
people would think harder about buying Oracle.
It's a one-way hash -- you can't get the original value back.


It is possible to temporarily reset a user's password to something else,
become the user with your own password and reset the password back
to the original value, without knowing what the original password was.


e.g. suppose a user's encrypted password string is 'ABCDEFGHIJKLMNOP',
read this string from DBA_USERS,
store it someplace (a variable, a table ;>),
execute ALTER USER  identified by ,
login as the user CONNECT /,
do your SQLs as that user,
reset the user's password ALTER USER  identified by values
'ABCDEFGHIJKLMNOP'




Hemant K Chitale
Principal DBA
Chartered Semiconductor Manufacturing Ltd



"Ghadge,Sameer" <[EMAIL PROTECTED]>  22/02/2002 11:38 AM
Sent by: [EMAIL PROTECTED]


Please respond to ORACLE-L
   
 To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>   
 cc: (bcc: CHITALE Hemant Krishnarao/IT/CHRT/ST Group) 
 Subject: password question    
   
   
   






Hi,
Oracle stores password in encrypted format,
is it possible (suppose i have access to dba_users table)
to retrieve and descrypt the password.



thx
Sameer
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oracle on linux vs oracle on NT

2002-02-21 Thread Maria Aurora VT de la Vega

pros and cons of each please...
stability, performance, management, etc...
for small scale oracle financials implementation
(125 users max)
and what would be the best and most reliable linux distribution to use.

on Compaq proliant hardware

no experience on oracle on linux but with experience with NT (very
disappointing)

Any input will be very much appreciated.

=)

--
Maria Aurora VT de la Vega (OCP)
Database Specialist
Philippine Stock Exchange, Inc.


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data dictionary View about jobs

2002-02-21 Thread Chuan Zhang

Hi, All,

  Is there any Oracle data dict view to see whether the dbms jobs is on the job queue 
or not. Why I ask this is that I use dbms_job.remove to remove one job, later on, I 
check it using user_jobs, it's still there. Thus  issue dbms_job.remove again, this 
time, this execution seems hung there. I log into sys and issue dbms_job.remove,  I 
got the following error

ORA-23421: job number 41 is not a job in the job queue
ORA-06512: at "SYS.DBMS_SYS_ERROR", line 86
ORA-06512: at "SYS.DBMS_IJOB", line 525
ORA-06512: at "SYS.DBMS_JOB", line 166
ORA-06512: at line 2

Could anyone tell me why this happens? or is there any dict view to check the job 
queue? 

Thanks in advance,

Chuan

Oracle DBA


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RE: JDBC problem

2002-02-21 Thread P.V.Sankar


Hi,
I am using java only
The code as follows:
Please give me some suggestions in solving this problem

Thanks & Regards,
Sankar



import java.applet.*;
import java.sql.*;
import java.text.*;
import java.awt.*;
import java.awt.event.*;

import java.util.*;
import java.applet.Applet.*;
import java.lang.*;

public class testdataapplet extends Applet implements ActionListener
{
 TextField tf=new TextField(30);
 TextField tf1=new TextField(30);
 TextField tf2=new TextField(30);
 TextField tf3=new TextField(30);
 Label l1=new Label("Enter Your Staff no:");
 Label l2=new Label("Employee Name:");
 Label l3=new Label("Department Name:");
 Label l4=new Label("Mail-id:");
 Button b=new Button("submit");
 String s;
 TextArea output;
 public void init()
 {
 
   output=new TextArea(10,20);
   add(l1);
   add(tf);
   add(l2);
   add(tf1);
   add(l3);
   add(tf2);
   add(l4);
   add(tf3);
   add(output);
   add(b);
  b.addActionListener(this);

 }
   public void actionPerformed(ActionEvent ae)
   {
   
   if(ae.getSource().equals(b))
{
  s=tf.getText();
  try
   { 
 //DriverManager.registerDriver( new
oracle.jdbc.driver.OracleDriver() );
 Class.forName("oracle.jdbc.driver.OracleDriver");
 Connection
con=DriverManager.getConnection("jdbc:oracle:thin:[EMAIL PROTECTED]:1521:edb");
 output.appendText("connected\n");
 Statement stmt=con.createStatement();
 ResultSet rset=stmt.executeQuery("select * from empno where
empno='"+s+"' ");
 while(rset.next())
 {
   output.appendText(rset.getString(1) +
"\t" +rset.getString(2)+"\n");
   tf1.setText(rset.getString(2));
   tf2.setText(rset.getString(3));
   tf3.setText(rset.getString(4));
 }
  
 }
   catch (Exception e)

   {
   output.appendText(e.getMessage());   
   }
   
   
}   
 }
  }  
  
 
 
 




On Wed, 20 Feb 2002, Liu, Roger (R.) wrote:

> First, need you clarify:
> 
> 1: Do you use Java or JavaScript
> 2: How you program to access Database
> 
> Roger Liu
> -Original Message-
> Sent: Wednesday, February 20, 2002 1:53 AM
> To: Multiple recipients of list ORACLE-L
> 
> 
> 
> Hi,
>  I am new to this  group as well as to Oracle.
> I have installed Oracle 8.1.5 & Java 1.3.1_02  on Solaris system.
> My question is whatever JDBC drivers that are installed by default
> supports the java version 1.3.1_02 or i have to install JDBC drivers
> seperately.I am facing lot of problems in connecting to Database from java
> script.Please clarify my doubt.
> 
> Thanks & Regards,
> Sankar
>  
> 
> 
>  
> 
> -- 
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> -- 
> Author: P.V.Sankar
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Re: sql question

2002-02-21 Thread hemantchitale

Rich,

Are you sure that that is what you want ?
Suppose your range values were something like :
 begin end
 1 9
 1519
 2329
ie, the RANGE table shows that 10-14 and 20-22 are invalid ("not allowed")
values.

Your problem statement and the SQL that Paul provides for the problem
statement
would return numbers like 10, 11, 20,21 which are, actually, invalid.

You'd have to write a cursor to loop through the valid ranges  ??

Hemant K Chitale
Principal DBA
Chartered Semiconductor Manufacturing Ltd


Paul Baumgartel <[EMAIL PROTECTED]>   22/02/2002 12:43 PM
Sent by: [EMAIL PROTECTED]

Please respond to ORACLE-L
   

 To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>   

 cc: (bcc: CHITALE Hemant Krishnarao/IT/CHRT/ST Group) 

 Subject: Re: sql question 

   

   

   






To use your example column names:

select num from numbers where num between
(select min(begin) from range) and (select max(end) from range);


--- oracle dba <[EMAIL PROTECTED]> wrote:
> Hi all,
>
> I have a SQL question.  Suppose I have a table called RANGE looks
> like
> this:
>
> begin end
> 1 9
> 1019
> 2029
>
> Then I have a table NUMBERS that's full of bunch of numbers like
> this:
>
> num
> 1
> 2
> 3
> 4
> ...
> 98
> 99
> 100
>
> I want to write a SQL that returns the number that are within
> the ranges defined in the RANGE table.  So number 1 through 29
> should be returned.
>
> Can someone help me with this?  Thanks.
>
> Rich
>
> _
> Send and receive Hotmail on your mobile device: http://mobile.msn.com
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Re: password question

2002-02-21 Thread hemantchitale

Sameer,

The obvious answer "you can't decrypt the password".  Else a number of
people would think harder about buying Oracle.
It's a one-way hash -- you can't get the original value back.

It is possible to temporarily reset a user's password to something else,
become the user with your own password and reset the password back
to the original value, without knowing what the original password was.

e.g. suppose a user's encrypted password string is 'ABCDEFGHIJKLMNOP',
read this string from DBA_USERS,
store it someplace (a variable, a table ;>),
execute ALTER USER  identified by ,
login as the user CONNECT /,
do your SQLs as that user,
reset the user's password ALTER USER  identified by values
'ABCDEFGHIJKLMNOP'



Hemant K Chitale
Principal DBA
Chartered Semiconductor Manufacturing Ltd


"Ghadge,Sameer" <[EMAIL PROTECTED]>  22/02/2002 11:38 AM
Sent by: [EMAIL PROTECTED]

Please respond to ORACLE-L
   

 To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>   

 cc: (bcc: CHITALE Hemant Krishnarao/IT/CHRT/ST Group) 

 Subject: password question

   

   

   






Hi,
Oracle stores password in encrypted format,
is it possible (suppose i have access to dba_users table)
to retrieve and descrypt the password.


thx
Sameer
--
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Re:password question

2002-02-21 Thread dgoulet

I've tried a few times, especially when passwords get embedded into code for
which the developer either accidentally or on purpose looses the source.  I have
not succeeded, nor have I heard of anyone who has.
And you can be assured OTS will not help you either.

Dick Goulet

Reply Separator
Author: "Ghadge;Sameer" <[EMAIL PROTECTED]>
Date:   2/21/2002 7:38 PM

Hi,
Oracle stores password in encrypted format,
is it possible (suppose i have access to dba_users table)
to retrieve and descrypt the password.


thx
Sameer
-- 
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Re: sql question

2002-02-21 Thread Paul Baumgartel

To use your example column names:

select num from numbers where num between
(select min(begin) from range) and (select max(end) from range);


--- oracle dba <[EMAIL PROTECTED]> wrote:
> Hi all,
> 
> I have a SQL question.  Suppose I have a table called RANGE looks
> like
> this:
> 
> begin end
> 1 9
> 1019
> 2029
> 
> Then I have a table NUMBERS that's full of bunch of numbers like
> this:
> 
> num
> 1
> 2
> 3
> 4
> ...
> 98
> 99
> 100
> 
> I want to write a SQL that returns the number that are within
> the ranges defined in the RANGE table.  So number 1 through 29
> should be returned.
> 
> Can someone help me with this?  Thanks.
> 
> Rich
> 
> _
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Re: password question

2002-02-21 Thread Paul Baumgartel

The encrypted password is available in dba_users, but it's not possible
to decrypt it.

--- "Ghadge,Sameer" <[EMAIL PROTECTED]> wrote:
> Hi,
> Oracle stores password in encrypted format,
> is it possible (suppose i have access to dba_users table)
> to retrieve and descrypt the password.
> 
> 
> thx
> Sameer
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sql question

2002-02-21 Thread oracle dba

Hi all,

I have a SQL question.  Suppose I have a table called RANGE looks like
this:

begin end
1 9
1019
2029

Then I have a table NUMBERS that's full of bunch of numbers like this:

num
1
2
3
4
...
98
99
100

I want to write a SQL that returns the number that are within
the ranges defined in the RANGE table.  So number 1 through 29
should be returned.

Can someone help me with this?  Thanks.

Rich

_
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password question

2002-02-21 Thread Ghadge,Sameer

Hi,
Oracle stores password in encrypted format,
is it possible (suppose i have access to dba_users table)
to retrieve and descrypt the password.


thx
Sameer
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RE: How to make deletes faster.

2002-02-21 Thread sonia pajerowski


I have only one cursor which selects the max sequence
number and all the records before that sequence number
are deleted. 
I was just wondering if oracle 9i has a truncate like
option to delete records with nologging option.
We are in the process of partitioning but it might
take couple of weeks to  implement that option
Thanks
Sonia P.
--- "Aponte, Tony" <[EMAIL PROTECTED]> wrote:
> How are you selecting the rows to be deleted? Is it
> in one cursor driving a loop with incremental
> commits or is it done via batch cycles of 10,000-row
> delete ... from ...where commit; delete ... from
> ...where commit; .?
> 
> Tony Aponte
> 
> -Original Message-
> From: sonia pajerowski
> [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, February 21, 2002 5:13 PM
> To: Multiple recipients of list ORACLE-L
> Subject: How to make deletes faster.
> 
> 
> Hello All,
> I have a non-partitioned table with 20 millions
> records and growing. Every night a pl/sql stored
> procedures deletes around 1 million rows 10,000 at a
> time.Currently it is taking aroung 1 hour to delete
> 1
> million messages.
> Is there any way I can make deletes faster. I need
> good suggestions. I have already tried all the
> obvious
> init.ora parameters like make_delete_faster=true but
> they do not seem to work.:-)
> 
> Thanks
> Sonia
> 
> 
> __
> Do You Yahoo!?
> Yahoo! Sports - Coverage of the 2002 Olympic Games
> http://sports.yahoo.com
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> http://www.orafaq.com
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RE: Rollback Segments

2002-02-21 Thread John Kanagaraj

And how about the customer who used 'ior i' to 'start up the database' when
he should have used 'ior w'??!?!?

(for those who have forgotten: ior i - initialize (create) the V5 Db, ior w
- warm start the database, ior s - shutdown)

Welcome Anjo to this list. We wouldn't have been able do our jobs well
without your exposition on 'Wait Events'.

John Kanagaraj
5.1.17, 5.1.22, 6.0.27, 6.0.30, 6.0.33, 7.0.14, 7.0.16, 7.1.4, 7.1.6, 7.2.3,
7.3.2, 7.3.4, 8.0.4, 8.0.5, 8.0.6, 8.1.5, 8.1.6, 8.1.7 and finally 9.0.1!!
(milestones on my memory lane)

> -Original Message-
> Sent: Tuesday, February 19, 2002 2:43 AM
> To: Multiple recipients of list ORACLE-L
> 
> 
> How about iag/iap ? And rpt ? Oh and SQL*Menu ?
> And there were about 14 enqueue/locks in Oracle Version 5 as 
> far as I can
> remember.
> 
> Anjo Kolk
> 
> Brings back memories of joining Oracle Europe in 1985 ;-)
> - Original Message -
> To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]>
> Sent: Tuesday, February 19, 2002 6:43 AM
> 
> 
> >
> > I remember the BI.ORA  (Before-Image) file, IOR and ODS in Oracle 5.
> >
> > Hemant K Chitale
> > Principal DBA
> > Chartered Semiconductor Manufacturing Ltd
> >
> >
> > Rachel Carmichael <[EMAIL PROTECTED]> 19/02/2002 06:18 AM
> > Sent by: [EMAIL PROTECTED]
> >
> > Please respond to ORACLE-L
> >
> >  To: Multiple recipients of list ORACLE-L
> <[EMAIL PROTECTED]>
> >  cc: (bcc: CHITALE Hemant Krishnarao/IT/CHRT/ST Group)
> >  Subject: RE: Rollback Segments
> >
> >
> >
> >
> >
> >
> >
> >
> > UFI no, but the rest... that's where I started in Oracle -- 
> version 5
> >
> >
> > --- "Conboy, Jim" <[EMAIL PROTECTED]> wrote:
> > > Holy cow Mladen, what a memory!
> > >
> > > Does anybody else remember (or admit to) using UFI?
> > >
> > > Jim
> > >
> > > **
> > >
> > > ...does anybody still remember VAX/VMS, ORACLE$BI, IOR and ODT?...
> > > --
> > > Please see the official ORACLE-L FAQ: http://www.orafaq.com
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RE: Anybody against using views?

2002-02-21 Thread Khedr, Waleed

This is from the Steve's page: Oracle does not cache view definitions in the
library cache or dictionary cache.

If you run this sql after selecting from any view:  select * from
V$DB_OBJECT_CACHE where type = 'VIEW'
You will find views get cached like any other objects and the view will
listed as cached.



Waleed

-Original Message-
Sent: Thursday, February 21, 2002 6:03 PM
To: Multiple recipients of list ORACLE-L



Steve Adams has some info about this, but doesn't say how he determined
this.

http://www.ixora.com.au/q+a/0104/03174106.htm


"Khedr, Waleed" wrote:
> 
> How did you determine that it's not stored in the DC?
> 
> The DC is not a data store but it's a cache.
> 
> Just curios.
> 
> Thanks,
> 
> Waleed
> 
> -Original Message-
> Sent: Thursday, February 21, 2002 3:48 PM
> To: Multiple recipients of list ORACLE-L
> 
> A thing about views, that nobody else seem to have mentioned is that the
> view
> text is not stored in the dictionary cache.  Hence, each time you hard
parse
> 
> a sql statement with a view, Oracle will query view$ to get the text.
> Hence,
> if you are at the limit of scalability or performance due to hard parses,
> views make things worse.
> 
> /Bjørn.
> 
> On Thursday 21 February 2002 17:18, you wrote:
> > We have several applications that use views extensively.  On the other
> hand
> > there are several apps that use no views at all.  We have a new
developer
> > who wants to use views when writing reports in Crystal Reports.  The
> > application administrator is leery of using views and ask the DBA group
> > what we think.  I can see several reasons to use views and a few reasons
> > not to use them.  I was just wondering what the rest of the group
thought.
> >
> > Ron Smith
> > DBA
> > Kerr-McGee Corp
> 
> --
> Bjørn Engsig, Miracle A/S
> http://MiracleAS.dk
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
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RE: How to make deletes faster.

2002-02-21 Thread DENNIS WILLIAMS

Sonia - Have you considered Oracle's Partitioning Option? Since you mention
that your table is non-partitioned, I assume you have considered this.
Dennis Williams
DBA
Lifetouch, Inc.
[EMAIL PROTECTED]


-Original Message-
Sent: Thursday, February 21, 2002 4:13 PM
To: Multiple recipients of list ORACLE-L


Hello All,
I have a non-partitioned table with 20 millions
records and growing. Every night a pl/sql stored
procedures deletes around 1 million rows 10,000 at a
time.Currently it is taking aroung 1 hour to delete 1
million messages.
Is there any way I can make deletes faster. I need
good suggestions. I have already tried all the obvious
init.ora parameters like make_delete_faster=true but
they do not seem to work.:-)

Thanks
Sonia


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RE: Problem with standby database & listener

2002-02-21 Thread Aponte, Tony



Could it be that the standby is 
auto-registering itself with the listener for the production database?  
We've had a couple of incidents where a development DBA copied the init.ora file 
from a production database configured for MTS.  But the listener 
parameters were not changed and all new connections were redirected to the 
development database.  I suspect that the standby is auto-registering 
itself with the listener and bumping of production.  Bouncing the 
production server then does it back to the standby.
 
HTH
Tony Aponte

  -Original Message-From: Stephen Andert 
  [mailto:[EMAIL PROTECTED]]Sent: Thursday, February 21, 
  2002 3:59 PMTo: Multiple recipients of list 
  ORACLE-LSubject: Problem with standby database & 
  listener
  Fellow dba's, 
   
  We have come across a weird problem with a standby database. 
  Every time we issue "alter database mount standby database" on 
  the standby database, the primary database fails to connect through 
  listener. It becomes OK after primary database is shutdown and restarted — of 
  course this can is not an acceptable solution since the standby will be 
  opened every week for reporting.
   
  Anyone experience this before?  Any direction would be 
  appreciated.
   
  Thanks
   
   
   
   
   
   
  Stephen AndertScottsdale, 
Arizona


Re: How to make deletes faster.

2002-02-21 Thread Joe Testa

that init.ora parm is an undocumented one, i'm surprised your database 
even came up. its _make_delete_faster=true, kinda like _make_sql_run_faster.

joe






sonia pajerowski wrote:

> Hello All,
> I have a non-partitioned table with 20 millions
> records and growing. Every night a pl/sql stored
> procedures deletes around 1 million rows 10,000 at a
> time.Currently it is taking aroung 1 hour to delete 1
> million messages.
> Is there any way I can make deletes faster. I need
> good suggestions. I have already tried all the obvious
> init.ora parameters like make_delete_faster=true but
> they do not seem to work.:-)
> 
> Thanks
> Sonia
> 
> 
> __
> Do You Yahoo!?
> Yahoo! Sports - Coverage of the 2002 Olympic Games
> http://sports.yahoo.com
> 


-- 
Joe Testa, Oracle DBA
Nothing new to put here, hmm






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Re: How to make deletes faster.

2002-02-21 Thread Jeff Herrick


How'bout

1) add a char(1) column...call it DELETE_ME and allow NULLS
2) index the DELETE_ME column
3) every night run an update like

 UPDATE yourbigwhackintable SET DELETE_ME = 'Y'
   WHERE the row satisfies your delete condition

4) DELETE FROM yourbigwhackintable WHERE DELETE_ME = 'Y'

This is assuming of course you have free reign over the app
as far as adding a column and the index.

The index won't store the NULLs of the non-deleteable rows
if you were worrying about index size BTW.

Note..this technique is not 'mine'...I got it from
a book (can't remember which one!) so your mileage
may vary!

Cheers

Jeff Herrick
Jeff Herrick & Associates
On Thu, 21 Feb 2002, sonia pajerowski wrote:

> Hello All,
> I have a non-partitioned table with 20 millions
> records and growing. Every night a pl/sql stored
> procedures deletes around 1 million rows 10,000 at a
> time.Currently it is taking aroung 1 hour to delete 1
> million messages.
> Is there any way I can make deletes faster. I need
> good suggestions. I have already tried all the obvious
> init.ora parameters like make_delete_faster=true but
> they do not seem to work.:-)
>
> Thanks
> Sonia
>
>
> __
> Do You Yahoo!?
> Yahoo! Sports - Coverage of the 2002 Olympic Games
> http://sports.yahoo.com
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: sonia pajerowski
>   INET: [EMAIL PROTECTED]
>
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> also send the HELP command for other information (like subscribing).
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Re: Dropping users from Oracle 9i seed database.

2002-02-21 Thread Jared . Still

Yuval,

Since you're already checking this out, would you mind running this script
and sending me the output?
( provided the password for these accounts are all defaults )

It would be useful for detecting default passwords in Oracle installed 
accounts.

Thanks,

Jared

select username, password
from dba_users
where username in (
   'AURORA$JIS$UTILITY$',
   'CTXSYS',
   'HR',
   'LBACSYS',
   'MDSYS',
   'OE',
   'OLAPSYS',
   'ORDSYS',
   'OSE$HTTP$ADMIN',
   'OUTLN',
   'PM',
   'QS',
   'QS_CBADM',
   'QS_CS',
   'QS_ES',
   'QS_OS',
   'QS_WS',
   'SCOTT',
   'SH',
   'WKSYS'
);







Yuval Arnon <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
02/21/02 02:18 PM
Please respond to ORACLE-L

 
To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
cc: 
Subject:Dropping users from Oracle 9i seed database.


Hi, 
Using Oracle Configuration Manager a handful of users are created. Which 
of these users can be safely dropped without affecting Oracle health.
List of users. 
AURORA$JIS$UTILITY$ 
CTXSYS 
HR 
LBACSYS 
MDSYS 
OE 
OLAPSYS 
ORDSYS 
OSE$HTTP$ADMIN 
OUTLN 
PM 
QS 
QS_CBADM 
QS_CS 
QS_ES 
QS_OS 
QS_WS 
SCOTT 
SH 
WKSYS 

TIA 
Yuval. 


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Re: Anybody against using views?

2002-02-21 Thread Suzy Vordos


Steve Adams has some info about this, but doesn't say how he determined
this.

http://www.ixora.com.au/q+a/0104/03174106.htm


"Khedr, Waleed" wrote:
> 
> How did you determine that it's not stored in the DC?
> 
> The DC is not a data store but it's a cache.
> 
> Just curios.
> 
> Thanks,
> 
> Waleed
> 
> -Original Message-
> Sent: Thursday, February 21, 2002 3:48 PM
> To: Multiple recipients of list ORACLE-L
> 
> A thing about views, that nobody else seem to have mentioned is that the
> view
> text is not stored in the dictionary cache.  Hence, each time you hard parse
> 
> a sql statement with a view, Oracle will query view$ to get the text.
> Hence,
> if you are at the limit of scalability or performance due to hard parses,
> views make things worse.
> 
> /Bjørn.
> 
> On Thursday 21 February 2002 17:18, you wrote:
> > We have several applications that use views extensively.  On the other
> hand
> > there are several apps that use no views at all.  We have a new developer
> > who wants to use views when writing reports in Crystal Reports.  The
> > application administrator is leery of using views and ask the DBA group
> > what we think.  I can see several reasons to use views and a few reasons
> > not to use them.  I was just wondering what the rest of the group thought.
> >
> > Ron Smith
> > DBA
> > Kerr-McGee Corp
> 
> --
> Bjørn Engsig, Miracle A/S
> http://MiracleAS.dk
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
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> Author: =?iso-8859-1?q?Bj=F8rn=20Engsig?=
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RE: How to make deletes faster.

2002-02-21 Thread Khedr, Waleed

Is it replicated? Any indexes?

-Original Message-
Sent: Thursday, February 21, 2002 5:13 PM
To: Multiple recipients of list ORACLE-L


Hello All,
I have a non-partitioned table with 20 millions
records and growing. Every night a pl/sql stored
procedures deletes around 1 million rows 10,000 at a
time.Currently it is taking aroung 1 hour to delete 1
million messages.
Is there any way I can make deletes faster. I need
good suggestions. I have already tried all the obvious
init.ora parameters like make_delete_faster=true but
they do not seem to work.:-)

Thanks
Sonia


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RE: How to make deletes faster.

2002-02-21 Thread Aponte, Tony
Title: RE: How to make deletes faster.






How are you selecting the rows to be deleted? Is it in one cursor driving a loop with incremental commits or is it done via batch cycles of 10,000-row delete ... from ...where commit; delete ... from ...where commit; .?

Tony Aponte


-Original Message-

From: sonia pajerowski [mailto:[EMAIL PROTECTED]]

Sent: Thursday, February 21, 2002 5:13 PM

To: Multiple recipients of list ORACLE-L

Subject: How to make deletes faster.



Hello All,

I have a non-partitioned table with 20 millions

records and growing. Every night a pl/sql stored

procedures deletes around 1 million rows 10,000 at a

time.Currently it is taking aroung 1 hour to delete 1

million messages.

Is there any way I can make deletes faster. I need

good suggestions. I have already tried all the obvious

init.ora parameters like make_delete_faster=true but

they do not seem to work.:-)


Thanks

Sonia



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http://sports.yahoo.com

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Re: Dropping users from Oracle 9i seed database.

2002-02-21 Thread Joe Testa

first off, research what all of those users are, then you'll have your 
answer.

joe


Yuval Arnon wrote:

> Hi,
> Using Oracle Configuration Manager a handful of users are created. Which 
> of these users can be safely dropped without affecting Oracle health.
> 
> List of users.
> 
> AURORA$JIS$UTILITY$
> CTXSYS 
> HR 
> LBACSYS
> MDSYS  
> OE 
> OLAPSYS
> ORDSYS 
> OSE$HTTP$ADMIN 
> OUTLN  
> PM 
> QS 
> QS_CBADM   
> QS_CS  
> QS_ES  
> QS_OS  
> QS_WS  
> SCOTT  
> SH 
> WKSYS  
> 
> 
> TIA
> 
> Yuval.
> 


-- 
Joe Testa, Oracle DBA
Nothing new to put here, hmm






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Missing datafile that cannot be recovered (cloned) and SMON probl

2002-02-21 Thread Glenn Travis

I have a challenge for you.  We have 3 temporary segments (in a permanent user data 
tablespace) which smon cannot clean up.  The errors in the alert log are;
Errors in file /NEWTST_DB/oratst/tstdb/8.1.7/admin/TST2/bdump/smon_3117_tst2.trc:
ORA-0: Message  not found;  product=RDBMS; facility=ORA
The errors in the trc file are pretty much the same.

Let me tell you how we got to this point:

1) We cloned our production database to a test instance.  In creating the new control 
file for test (which we had to do to rename the database and rename the datafiles), we 
failed to include in the datafile list one of the newly added datafiles in production 
(we used an old create statement, forgetting that the production layout had changed).  
(The datafile name was 1 of 5 datafiles which make up a user tablespace).  The 
controlfile create command succeeded and we were none the wiser.  UNTIL...  We started 
to get errors a few days later when trying to insert into a table which resides in the 
tablespace.  We got errors to the fact of  'datafile 306 does not exist, cannot 
insert.  At that point, oracle decided to put a stub in the datafile system tables for 
our missing datafile.  So now we have the dreaded '/TST/oradata/MISSING00306' entry.  

2) I ran a query against the dba_extents table to find the objects which have data in 
the missing datafile.  There were three tables.  I know the proper recovery method is 
to restore the datafile and recover archive logs.  We cannot do this for two reasons.  
The first is the fact that this is a cloned database and was opened with resetlogs.  
The second is the fact that the datafile was never in the controlfile create 
statement.  Thus it's header information still points to the production database name, 
while all the other datafiles now have the new test database name in their header 
information.  Oracle will not let you add it now to the existing datafiles.  Nor will 
it let you recreate the controlfile with the filename included.  All datafile headers 
must contain the same database name when creating the controlfile. The next suggestion 
would be to reclone.  We cannot do that either as we've already performed too much 
work in the test instance to trash it.

3) So, I decided to drop the objects which were referenced in the missing datafile and 
recreate them.  That way the objects will be built in a good tablespace and the users 
can insert into them.  This worked, sort of.  The drop seemed to succeed, even though 
it produced the errors above and dropped my connection.  But I was able to log back in 
and successfully recreate the objects.  I assumed oracle was trying to update the 
freelists header in the datafile and bombed when it could not find the datafile.  It 
did remove the table names from the segment information, as I was able to create new 
tables with the same names.

4) Ok, so now I have good tables and the users are working fine.  So what's the 
problem?  Well, I queried the extents view again to see if anything was still pointing 
the missing datafile.  yes. It seems oracle modified my old tables (pre-rebuilt) to 
temporary segments!  I now have the same extent usage and # extents for 3 temporary 
segments in the same locations.  That's ok, because I can still use my new tables 
without problems.  The problem is SMON.  SMON is trying to coalesce/drop temporary 
segments and spewing the;
ORA-0: Message  not found;  product=RDBMS; facility=ORA
error every 10 seconds!

Is there any way to drop these temporary segments?  Any way to drop the references to 
the missing datafiles?  I have already done a 'alter datafile offline drop;' and it 
succeeded, but smon is still getting errors.  How do I shut SMON up?  How do I get rid 
of these temporary segments (which have data in a missing datafile)?  I've bounced the 
instance also.

I believe my only recourse now is to drop the tablespace which contained the missing 
datafile, which should remove all references to the datafile, correct?  I don't even 
know if that's possible as it's over 20gb and I have no way to move all the objects 
out it (contains Apps tables and lobs and such).

Anyone have any bright ideas or is our instance hopelessly confused?


__
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Database Administrator
Business Intelligence & Support
[EMAIL PROTECTED]
919-531-0434




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Dropping users from Oracle 9i seed database.

2002-02-21 Thread Yuval Arnon
Title: Dropping users from Oracle 9i seed database.





Hi,
Using Oracle Configuration Manager a handful of users are created. Which of these users can be safely dropped without affecting Oracle health.

List of users.


AURORA$JIS$UTILITY$ 
CTXSYS  
HR  
LBACSYS 
MDSYS   
OE  
OLAPSYS 
ORDSYS  
OSE$HTTP$ADMIN  
OUTLN   
PM  
QS  
QS_CBADM    
QS_CS   
QS_ES   
QS_OS   
QS_WS   
SCOTT   
SH  
WKSYS   



TIA


Yuval.





How to make deletes faster.

2002-02-21 Thread sonia pajerowski

Hello All,
I have a non-partitioned table with 20 millions
records and growing. Every night a pl/sql stored
procedures deletes around 1 million rows 10,000 at a
time.Currently it is taking aroung 1 hour to delete 1
million messages.
Is there any way I can make deletes faster. I need
good suggestions. I have already tried all the obvious
init.ora parameters like make_delete_faster=true but
they do not seem to work.:-)

Thanks
Sonia


__
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RE: RMAN Question

2002-02-21 Thread DENNIS WILLIAMS

Ashoke
If I understand you correctly, you are using RMAN to backup to disk,
rather than to a media manager. You are asking whether you can archive these
in RMAN, plus leave them on disk so they are readily available for recovery.

I have used this configuration, and I have found that RMAN leaves
the archive logs on disk after it has backed them up. Also, I believe but
have not tested this, that in case of a recovery, RMAN first looks to the
original unarchived disk location for the archive logs and if it can't find
them there, it will retrieve them from its backup location (disk file or
tape if you are using a media manager), and put them where they should be,
then continue the recovery.
After thinking about this, I decided that using RMAN to backup the
archive logs wasn't buying me anything. Just making my setup more
complicated. If I was backing up to a media manager, then having RMAN back
up the archive logs would be great because it would be moving them to tape.
As it is, RMAN isn't compressing them before moving them to disk. My regular
nightly tape backup will give me a safety copy on tape. If I feel I need a
disk copy, I will just compress the files to another location and end up
with something significantly smaller. If I have overlooked something in my
logic, please point that out to me because I am just beginning to learn RMAN
and am frequently interrupted by other DBA duties, so learning is going very
slowly.
Dennis Williams
DBA
Lifetouch, Inc.
[EMAIL PROTECTED]


-Original Message-
Sent: Thursday, February 21, 2002 11:59 AM
To: Multiple recipients of list ORACLE-L


Greetings,

We are at Oracle 8.1.7 on Sun Solaris 7.

Can we backup all the archive logs at any point of time but not deleting all
these archive logs as we like to keep the archive logs for 2 days(SYSDATE-1)
in the disk so that we don't need to restore the archive logs from rman
backup in case of some recovery up to point within last 2 days.

Thanks,
Ashoke
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RE: Problem with standby database & listener

2002-02-21 Thread Ross Collado

I have 8.1.7.0 on Solaris 8 and also had this problem.  Somehow the way I
get around this is to go back to the Primary db and reset the
log_archive_dest_2 to whatever the identifier of the standby db is. (even if
the log_archive_dest_2 is already set).  Then I do the standby recovery,
then managed recovery.  This probably explains why yours work after you
bounce your Primary db.  You must have the standby db location set in the
init.ora file.  What I do, however, is force a reset of the standby db
location after I startup the standby db.  This way I don't have to bounce my
Primary db.  Everything's scripted.
Clear as mud?
HTH. 
Ross

-Original Message-
Sent: Friday, 22 February 2002 7:59
To: Multiple recipients of list ORACLE-L



Fellow dba's, 
 
We have come across a weird problem with a standby database. Every time we
issue "alter database mount standby database" on the standby database, the
primary database fails to connect through listener. It becomes OK after
primary database is shutdown and restarted — of course this can is not an
acceptable solution since the standby will be opened every week for
reporting.
 
Anyone experience this before?  Any direction would be appreciated.
 
Thanks
 
 
 
 
 
 
Stephen Andert
Scottsdale, Arizona


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RE: Anybody against using views?

2002-02-21 Thread Khedr, Waleed

How did you determine that it's not stored in the DC?

The DC is not a data store but it's a cache.

Just curios.

Thanks,

Waleed

-Original Message-
Sent: Thursday, February 21, 2002 3:48 PM
To: Multiple recipients of list ORACLE-L


A thing about views, that nobody else seem to have mentioned is that the
view 
text is not stored in the dictionary cache.  Hence, each time you hard parse

a sql statement with a view, Oracle will query view$ to get the text.
Hence, 
if you are at the limit of scalability or performance due to hard parses, 
views make things worse.

/Bjørn.

On Thursday 21 February 2002 17:18, you wrote:
> We have several applications that use views extensively.  On the other
hand
> there are several apps that use no views at all.  We have a new developer
> who wants to use views when writing reports in Crystal Reports.  The
> application administrator is leery of using views and ask the DBA group
> what we think.  I can see several reasons to use views and a few reasons
> not to use them.  I was just wondering what the rest of the group thought.
>
> Ron Smith
> DBA
> Kerr-McGee Corp

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Problem with standby database & listener

2002-02-21 Thread Stephen Andert



Fellow dba's, 
 
We have come across a weird problem with a standby database. 
Every time we issue "alter database mount standby database" on 
the standby database, the primary database fails to connect through 
listener. It becomes OK after primary database is shutdown and restarted — of 
course this can is not an acceptable solution since the standby will be 
opened every week for reporting.
 
Anyone experience this before?  Any direction would be 
appreciated.
 
Thanks
 
 
 
 
 
 
Stephen AndertScottsdale, 
Arizona


Re: Anybody against using views?

2002-02-21 Thread Bjørn Engsig

A thing about views, that nobody else seem to have mentioned is that the view 
text is not stored in the dictionary cache.  Hence, each time you hard parse 
a sql statement with a view, Oracle will query view$ to get the text.  Hence, 
if you are at the limit of scalability or performance due to hard parses, 
views make things worse.

/Bjørn.

On Thursday 21 February 2002 17:18, you wrote:
> We have several applications that use views extensively.  On the other hand
> there are several apps that use no views at all.  We have a new developer
> who wants to use views when writing reports in Crystal Reports.  The
> application administrator is leery of using views and ask the DBA group
> what we think.  I can see several reasons to use views and a few reasons
> not to use them.  I was just wondering what the rest of the group thought.
>
> Ron Smith
> DBA
> Kerr-McGee Corp

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RE: Instance Monitoring Tools

2002-02-21 Thread Post, Ethan

I am usually "anti" tools due to the price mostly. However while I have
quite a suite of components to quickly "surround" my Oracle DB's with
monitoring, alerting, performance charting etc...I have no such toolkit for
other databases.  However, I am being confronted with situations where I
will also be responsible for DB2, SYBASE and Informix databases.  Large
corporate customers want to see an integrated monitoring and reporting
environment.  In this case an off the shelf software solution can be my only
choice.

- Ethan

-Original Message-
Sent: Thursday, February 21, 2002 1:44 PM
To: Multiple recipients of list ORACLE-L


I know of a couple of tools that show more info than the fixed views ;-)


"Orr, Steve" wrote:

> StatsPack, V$SYSSTAT, V$SYSTEM_EVENT, V$SESSION_EVENT, V$SESSION_WAIT,
trace
> files, and a good DBA... only the last item is not free. Take the money
you
> save on tools and give it to the DBA. Sorry if this sounds flippant but is
> there anything which the tools provide via a GUI interface that isn't
> already available via the data dictionary, Oracle utilities and packages,
> and O/S utilities? In fact, most of the tools get their data from the same
> aforementioned sources. I've also gotten monitoring information from
> Oracle's supplied MIB's via SNMP just like OEM does but I used the
> pathologically eclectic rubbish lister tool. :-)
>
> Tools are not a substitute... if I give you a hammer it doesn't make you a
> master carpenter. I guess it's a matter of preference. I like making my
own
> tools, or "borrowing" scripts from others and adding them to my toolbox.
Of
> course the commercial tools are more complete than my grab bag of stuff
> which is under perpetual development and I sometimes spend a lot of time
> trying to find a script amid the chaos of the unkempt toolbox. ;-) I know
> there one of those whatchamagizmos in there now where is it?
>
> Living in Big Sky Country without buffer zones...
> Steve Orr
>
> -Original Message-
> Sent: Thursday, February 21, 2002 11:18 AM
> To: Multiple recipients of list ORACLE-L
>
> Can anyone give me an idea of what are the best Oracle instance monitoring
> tools on the market?
>
> Thanks,
>
> Rick Stephenson

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RE: Anybody against using views?

2002-02-21 Thread Orr, Steve

> Can you see optimizer going nuts...

I never had such an epiphany but I once heard the voice of the oracle and it
said, "eschew obfuscation PLEASE!"



-Original Message-
Sent: Thursday, February 21, 2002 12:39 PM
To: Multiple recipients of list ORACLE-L


I have a schema that *loves* views ... they have a view that is a join of 4
views which individually are joins of views and tables. Can you see
optimizer going nuts so when we tested CBO, this schema owner exclaimed
'CBO doesn't work!', so we were back to using RBO.

I have finally convinced them to stop creating a 'create view v_tablename as
select * from tablename' ... that was my first step.

So, I have nothing against views, but only when used in moderation.

Cheers
Raj
__
Rajendra Jamadagni  MIS, ESPN Inc.
Rajendra dot Jamadagni at ESPN dot com
Any opinion expressed here is personal and doesn't reflect that of ESPN Inc.

QOTD: Any clod can have facts, but having an opinion is an art!
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RE: Anybody against using views?

2002-02-21 Thread Mercadante, Thomas F

and I should have finished with

and he seems to know what he's talking about..

-Original Message-
Sent: Thursday, February 21, 2002 2:30 PM
To: Multiple recipients of list ORACLE-L


You use that word like it's a *bad* thing to be. 8^)

-Roy  

(Who was originally tempted to say: "Look DBA, that SQL's coming to your
server--we can do it easy, or we can do it hard, but it's coming.  Do you
want to have to sleuth out why your db is dog-slow every day at 3:30 when my
users are running the report I gave them, or do you want to see what I'm
planning to do up front & have a chance to kibbitz?  

But who also knows better than to say things like that to the DBA.)

Roy Pardee
Programmer/Analyst
SWFPAC Lockheed Martin IT
Extension 8487

-Original Message-
Sent: Thursday, February 21, 2002 10:59 AM
To: Multiple recipients of list ORACLE-L


uh-oh... a PROGRAMMER has been lurking...

:)

-Original Message-
Sent: Thursday, February 21, 2002 1:24 PM
To: Multiple recipients of list ORACLE-L


It seems to me that you're not dinging views per se here--you're against the
dev's intended use of production data.  So if those same SELECT statements
that make up the view were instead baked into the crystal report file & sent
anew every time the report was executed, it'd be the same problem (maybe
worse, since now you're parsing the SQL & planning execution more
frequently?).  You buy that?

Cheers,

-Roy

Roy Pardee
Programmer/Analyst
SWFPAC Lockheed Martin IT
Extension 8487

-Original Message-
Sent: Thursday, February 21, 2002 9:09 AM
To: Multiple recipients of list ORACLE-L


IMO views are often used as a substitute for creating reporting 
structures.

Using views makes for easy report/SQL creation, but tends to be a 
tuning and performance nightmare.  It's hard to tune, and will likely
never perform well.

I'm going through similar issues here right now.  A number of users 
need to do reporting on production data.  No way, no how will they
be allowed to do it on the production database.  It's a manufacturing
database and performance is critical to this system.

I've done some prototypes of the tables they need to report on.  Basically
a copy of the production tables in another database.  Those that have a
long refresh cycle ( 1+ days ) get bitmap indexes on most columns.  Those
that need to be close to realtime get Btree indexes instead and will be
refreshed every few minutes ( refresh time pending negotiation with users 
:).

This is not exactly a data mart as I would like to have it:  no star 
schemas.

But it's what I have time for right now, gets the reports off of 
production and
is *much* faster to query.

HTH

Jared






"Smith, Ron L." <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
02/21/02 08:18 AM
Please respond to ORACLE-L

 
To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
cc: 
Subject:Anybody against using views?


We have several applications that use views extensively.  On the other 
hand
there are several apps that use no views at all.  We have a new developer
who wants to use views when writing reports in Crystal Reports.  The
application administrator is leery of using views and ask the DBA group 
what
we think.  I can see several reasons to use views and a few reasons not to
use them.  I was just wondering what the rest of the group thought.

Ron Smith
DBA
Kerr-McGee Corp

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RE: Instance Monitoring Tools

2002-02-21 Thread Deshpande, Kirti

Never worked with those. Patrol was already here when I joined. And the
reason was that it was available for all the H/W platfoems the company used.


- Kirti

-Original Message-
Sent: Thursday, February 21, 2002 1:24 PM
To: Multiple recipients of list ORACLE-L


How would you rate OEM's Instance Monitor and DBArtisan tools with
BMC-Patrol. 

Thanks
Srini

-Original Message-
Sent: Thursday, February 21, 2002 1:43 PM
To: Multiple recipients of list ORACLE-L


We use BMC-Patrol. Works great for us..

- Kirti 

-Original Message-
Sent: Thursday, February 21, 2002 12:18 PM
To: Multiple recipients of list ORACLE-L


Can anyone give me an idea of what are the best Oracle instance monitoring
tools on the market?

Thanks,

Rick Stephenson


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Re: Instance Monitoring Tools

2002-02-21 Thread Anjo Kolk

I know of a couple of tools that show more info than the fixed views ;-)


"Orr, Steve" wrote:

> StatsPack, V$SYSSTAT, V$SYSTEM_EVENT, V$SESSION_EVENT, V$SESSION_WAIT, trace
> files, and a good DBA... only the last item is not free. Take the money you
> save on tools and give it to the DBA. Sorry if this sounds flippant but is
> there anything which the tools provide via a GUI interface that isn't
> already available via the data dictionary, Oracle utilities and packages,
> and O/S utilities? In fact, most of the tools get their data from the same
> aforementioned sources. I've also gotten monitoring information from
> Oracle's supplied MIB's via SNMP just like OEM does but I used the
> pathologically eclectic rubbish lister tool. :-)
>
> Tools are not a substitute... if I give you a hammer it doesn't make you a
> master carpenter. I guess it's a matter of preference. I like making my own
> tools, or "borrowing" scripts from others and adding them to my toolbox. Of
> course the commercial tools are more complete than my grab bag of stuff
> which is under perpetual development and I sometimes spend a lot of time
> trying to find a script amid the chaos of the unkempt toolbox. ;-) I know
> there one of those whatchamagizmos in there now where is it?
>
> Living in Big Sky Country without buffer zones...
> Steve Orr
>
> -Original Message-
> Sent: Thursday, February 21, 2002 11:18 AM
> To: Multiple recipients of list ORACLE-L
>
> Can anyone give me an idea of what are the best Oracle instance monitoring
> tools on the market?
>
> Thanks,
>
> Rick Stephenson
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author:
>   INET: [EMAIL PROTECTED]
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Orr, Steve
>   INET: [EMAIL PROTECTED]
>
> Fat City Network Services-- (858) 538-5051  FAX: (858) 538-5051
> San Diego, California-- Public Internet access / Mailing Lists
> 
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> to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in
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> (or the name of mailing list you want to be removed from).  You may
> also send the HELP command for other information (like subscribing).


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RE: Anybody against using views?

2002-02-21 Thread Jamadagni, Rajendra

I have a schema that *loves* views ... they have a view that is a join of 4
views which individually are joins of views and tables. Can you see
optimizer going nuts so when we tested CBO, this schema owner exclaimed
'CBO doesn't work!', so we were back to using RBO.

I have finally convinced them to stop creating a 'create view v_tablename as
select * from tablename' ... that was my first step.

So, I have nothing against views, but only when used in moderation.

Cheers
Raj
__
Rajendra Jamadagni  MIS, ESPN Inc.
Rajendra dot Jamadagni at ESPN dot com
Any opinion expressed here is personal and doesn't reflect that of ESPN Inc.

QOTD: Any clod can have facts, but having an opinion is an art!


***1

This e-mail message is confidential, intended only for the named recipient(s) above 
and may contain information that is privileged, attorney work product or exempt from 
disclosure under applicable law. If you have received this message in error, or are 
not the named recipient(s), please immediately notify ESPN at (860) 766-2000 and 
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***1



RE: ROWID datatype columns and primary keys

2002-02-21 Thread Orr, Steve

A rowid column can be put to very good use in transitional tables for batch
processing or temporary tables. For example, check out the CHAINED_ROWS
table that Oracle creates via the utlchain.sql script. I've seen this
technique in the commercial Banner Utilities application from SCT. It may be
a rare but appropriate usage.


Steve Orr


-Original Message-
Sent: Thursday, February 21, 2002 12:04 PM
To: Multiple recipients of list ORACLE-L


Patrice,

The only reason I can think of creating a column with a datatype of ROWID,
is in order to store a rowid.  Why you need to "store" the rowid escapes me
as the rowid is available as a pseudocolumn anyway.

It is also dangerous to "store" this rowid in a column, as it can change.
During and import/export as you said, but also on partitioned tables if the
partitioning key value changes and the table has been setup to allow the row
movement

Just my 2c

Paul


-Original Message-
Sent: Thursday, February 21, 2002 1:18 PM
To: Multiple recipients of list ORACLE-L


Can someone explain to me why some developers like to create ROWID datatype
columns in their tables?

I am wondering why they sometimes do that instead of using primary keys.

I searched for info on this on the Web, but nothing.

ROWID access is probably faster than index access, I guess.

I vaguely remember my Oracle instructor saying about four years ago that
using ROWIDs was bad practice in most cases, but I can't remember exactly
why he said that.

ROWIDs are not reliable, when exports/imports take place and between COMMITS
if many users access the same table, if the row could be dropped and
re-created.

Are there other reasons why someone might not want to use ROWID columns?

I am just fishing for opinions.

Thanks.

Regards,
Patrice Boivin
Systems Analyst (Oracle Certified DBA)
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RE: Anybody against using views?

2002-02-21 Thread Pardee, Roy E

You use that word like it's a *bad* thing to be. 8^)

-Roy  

(Who was originally tempted to say: "Look DBA, that SQL's coming to your
server--we can do it easy, or we can do it hard, but it's coming.  Do you
want to have to sleuth out why your db is dog-slow every day at 3:30 when my
users are running the report I gave them, or do you want to see what I'm
planning to do up front & have a chance to kibbitz?  

But who also knows better than to say things like that to the DBA.)

Roy Pardee
Programmer/Analyst
SWFPAC Lockheed Martin IT
Extension 8487

-Original Message-
Sent: Thursday, February 21, 2002 10:59 AM
To: Multiple recipients of list ORACLE-L


uh-oh... a PROGRAMMER has been lurking...

:)

-Original Message-
Sent: Thursday, February 21, 2002 1:24 PM
To: Multiple recipients of list ORACLE-L


It seems to me that you're not dinging views per se here--you're against the
dev's intended use of production data.  So if those same SELECT statements
that make up the view were instead baked into the crystal report file & sent
anew every time the report was executed, it'd be the same problem (maybe
worse, since now you're parsing the SQL & planning execution more
frequently?).  You buy that?

Cheers,

-Roy

Roy Pardee
Programmer/Analyst
SWFPAC Lockheed Martin IT
Extension 8487

-Original Message-
Sent: Thursday, February 21, 2002 9:09 AM
To: Multiple recipients of list ORACLE-L


IMO views are often used as a substitute for creating reporting 
structures.

Using views makes for easy report/SQL creation, but tends to be a 
tuning and performance nightmare.  It's hard to tune, and will likely
never perform well.

I'm going through similar issues here right now.  A number of users 
need to do reporting on production data.  No way, no how will they
be allowed to do it on the production database.  It's a manufacturing
database and performance is critical to this system.

I've done some prototypes of the tables they need to report on.  Basically
a copy of the production tables in another database.  Those that have a
long refresh cycle ( 1+ days ) get bitmap indexes on most columns.  Those
that need to be close to realtime get Btree indexes instead and will be
refreshed every few minutes ( refresh time pending negotiation with users 
:).

This is not exactly a data mart as I would like to have it:  no star 
schemas.

But it's what I have time for right now, gets the reports off of 
production and
is *much* faster to query.

HTH

Jared






"Smith, Ron L." <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
02/21/02 08:18 AM
Please respond to ORACLE-L

 
To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
cc: 
Subject:Anybody against using views?


We have several applications that use views extensively.  On the other 
hand
there are several apps that use no views at all.  We have a new developer
who wants to use views when writing reports in Crystal Reports.  The
application administrator is leery of using views and ask the DBA group 
what
we think.  I can see several reasons to use views and a few reasons not to
use them.  I was just wondering what the rest of the group thought.

Ron Smith
DBA
Kerr-McGee Corp

-- 
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-- 
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RE: Instance Monitoring Tools

2002-02-21 Thread SRAJENDRAN

How would you rate OEM's Instance Monitor and DBArtisan tools with
BMC-Patrol. 

Thanks
Srini

-Original Message-
Sent: Thursday, February 21, 2002 1:43 PM
To: Multiple recipients of list ORACLE-L


We use BMC-Patrol. Works great for us..

- Kirti 

-Original Message-
Sent: Thursday, February 21, 2002 12:18 PM
To: Multiple recipients of list ORACLE-L


Can anyone give me an idea of what are the best Oracle instance monitoring
tools on the market?

Thanks,

Rick Stephenson


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Re:ROWID datatype columns and primary keys

2002-02-21 Thread dgoulet

Patrice,

ROWID access to data is the fastest way to get from here to there since it,
the rowid, tells Oracle right where the data is.  The biggest problem that I see
with rowid's is that 1) they changed from Oracle 7 to 8 & most likely will
change again in the future, 2) when you re-org the table they change, and 3)
people sometimes like to manipulate the rowid's which can have some very strange
results.  My favorite use or rowid's is to simulate a "for update of" cursor
when I need to do a commit and/or rollback in the middle of the cursor.  I've
also used them when I want to delete a specific row of data and don't have any
other unique way to id it.  I do not, and very strongly do not, recommend
manipulating rowid's for any reason, period.  Extract them from the database and
use them as provided.

Dick Goulet

Reply Separator
Author: "Boivin; Patrice J" <[EMAIL PROTECTED]>
Date:   2/21/2002 10:18 AM

Can someone explain to me why some developers like to create ROWID datatype
columns in their tables?

I am wondering why they sometimes do that instead of using primary keys.

I searched for info on this on the Web, but nothing.

ROWID access is probably faster than index access, I guess.

I vaguely remember my Oracle instructor saying about four years ago that
using ROWIDs was bad practice in most cases, but I can't remember exactly
why he said that.

ROWIDs are not reliable, when exports/imports take place and between COMMITS
if many users access the same table, if the row could be dropped and
re-created.

Are there other reasons why someone might not want to use ROWID columns?

I am just fishing for opinions.

Thanks.

Regards,
Patrice Boivin
Systems Analyst (Oracle Certified DBA)
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RE: Instance Monitoring Tools

2002-02-21 Thread Orr, Steve

StatsPack, V$SYSSTAT, V$SYSTEM_EVENT, V$SESSION_EVENT, V$SESSION_WAIT, trace
files, and a good DBA... only the last item is not free. Take the money you
save on tools and give it to the DBA. Sorry if this sounds flippant but is
there anything which the tools provide via a GUI interface that isn't
already available via the data dictionary, Oracle utilities and packages,
and O/S utilities? In fact, most of the tools get their data from the same
aforementioned sources. I've also gotten monitoring information from
Oracle's supplied MIB's via SNMP just like OEM does but I used the
pathologically eclectic rubbish lister tool. :-) 

Tools are not a substitute... if I give you a hammer it doesn't make you a
master carpenter. I guess it's a matter of preference. I like making my own
tools, or "borrowing" scripts from others and adding them to my toolbox. Of
course the commercial tools are more complete than my grab bag of stuff
which is under perpetual development and I sometimes spend a lot of time
trying to find a script amid the chaos of the unkempt toolbox. ;-) I know
there one of those whatchamagizmos in there now where is it? 


Living in Big Sky Country without buffer zones...
Steve Orr


-Original Message-
Sent: Thursday, February 21, 2002 11:18 AM
To: Multiple recipients of list ORACLE-L


Can anyone give me an idea of what are the best Oracle instance monitoring
tools on the market?

Thanks,

Rick Stephenson


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RE: Anybody against using views?

2002-02-21 Thread Mercadante, Thomas F

uh-oh... a PROGRAMMER has been lurking...

:)

-Original Message-
Sent: Thursday, February 21, 2002 1:24 PM
To: Multiple recipients of list ORACLE-L


It seems to me that you're not dinging views per se here--you're against the
dev's intended use of production data.  So if those same SELECT statements
that make up the view were instead baked into the crystal report file & sent
anew every time the report was executed, it'd be the same problem (maybe
worse, since now you're parsing the SQL & planning execution more
frequently?).  You buy that?

Cheers,

-Roy

Roy Pardee
Programmer/Analyst
SWFPAC Lockheed Martin IT
Extension 8487

-Original Message-
Sent: Thursday, February 21, 2002 9:09 AM
To: Multiple recipients of list ORACLE-L


IMO views are often used as a substitute for creating reporting 
structures.

Using views makes for easy report/SQL creation, but tends to be a 
tuning and performance nightmare.  It's hard to tune, and will likely
never perform well.

I'm going through similar issues here right now.  A number of users 
need to do reporting on production data.  No way, no how will they
be allowed to do it on the production database.  It's a manufacturing
database and performance is critical to this system.

I've done some prototypes of the tables they need to report on.  Basically
a copy of the production tables in another database.  Those that have a
long refresh cycle ( 1+ days ) get bitmap indexes on most columns.  Those
that need to be close to realtime get Btree indexes instead and will be
refreshed every few minutes ( refresh time pending negotiation with users 
:).

This is not exactly a data mart as I would like to have it:  no star 
schemas.

But it's what I have time for right now, gets the reports off of 
production and
is *much* faster to query.

HTH

Jared






"Smith, Ron L." <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
02/21/02 08:18 AM
Please respond to ORACLE-L

 
To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
cc: 
Subject:Anybody against using views?


We have several applications that use views extensively.  On the other 
hand
there are several apps that use no views at all.  We have a new developer
who wants to use views when writing reports in Crystal Reports.  The
application administrator is leery of using views and ask the DBA group 
what
we think.  I can see several reasons to use views and a few reasons not to
use them.  I was just wondering what the rest of the group thought.

Ron Smith
DBA
Kerr-McGee Corp

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RE: Anybody against using views?

2002-02-21 Thread Jared . Still

Well, I am dinging views in the sense that they are easily
abused for reporting purposes.

Recreating the data on another server lets me create indexes
that I wouldn't want to create on the production server, and indexes
that I can't create in production, such as bitmap indexes.

The queries will be faster, and more importantly, they won't be
hitting production.

Jared






"Pardee, Roy E" <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
02/21/02 10:24 AM
Please respond to ORACLE-L

 
To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
cc: 
Subject:RE: Anybody against using views?


It seems to me that you're not dinging views per se here--you're against 
the
dev's intended use of production data.  So if those same SELECT statements
that make up the view were instead baked into the crystal report file & 
sent
anew every time the report was executed, it'd be the same problem (maybe
worse, since now you're parsing the SQL & planning execution more
frequently?).  You buy that?

Cheers,

-Roy

Roy Pardee
Programmer/Analyst
SWFPAC Lockheed Martin IT
Extension 8487

-Original Message-
Sent: Thursday, February 21, 2002 9:09 AM
To: Multiple recipients of list ORACLE-L


IMO views are often used as a substitute for creating reporting 
structures.

Using views makes for easy report/SQL creation, but tends to be a 
tuning and performance nightmare.  It's hard to tune, and will likely
never perform well.

I'm going through similar issues here right now.  A number of users 
need to do reporting on production data.  No way, no how will they
be allowed to do it on the production database.  It's a manufacturing
database and performance is critical to this system.

I've done some prototypes of the tables they need to report on.  Basically
a copy of the production tables in another database.  Those that have a
long refresh cycle ( 1+ days ) get bitmap indexes on most columns.  Those
that need to be close to realtime get Btree indexes instead and will be
refreshed every few minutes ( refresh time pending negotiation with users 
:).

This is not exactly a data mart as I would like to have it:  no star 
schemas.

But it's what I have time for right now, gets the reports off of 
production and
is *much* faster to query.

HTH

Jared






"Smith, Ron L." <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
02/21/02 08:18 AM
Please respond to ORACLE-L

 
To: Multiple recipients of list ORACLE-L 
<[EMAIL PROTECTED]>
cc: 
Subject:Anybody against using views?


We have several applications that use views extensively.  On the other 
hand
there are several apps that use no views at all.  We have a new developer
who wants to use views when writing reports in Crystal Reports.  The
application administrator is leery of using views and ask the DBA group 
what
we think.  I can see several reasons to use views and a few reasons not to
use them.  I was just wondering what the rest of the group thought.

Ron Smith
DBA
Kerr-McGee Corp

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Please see the official ORACLE-L FAQ: http://www.orafaq.com
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Author: Smith, Ron L.
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-- 
Please s

RE: Anybody against using views?

2002-02-21 Thread Pardee, Roy E

It seems to me that you're not dinging views per se here--you're against the
dev's intended use of production data.  So if those same SELECT statements
that make up the view were instead baked into the crystal report file & sent
anew every time the report was executed, it'd be the same problem (maybe
worse, since now you're parsing the SQL & planning execution more
frequently?).  You buy that?

Cheers,

-Roy

Roy Pardee
Programmer/Analyst
SWFPAC Lockheed Martin IT
Extension 8487

-Original Message-
Sent: Thursday, February 21, 2002 9:09 AM
To: Multiple recipients of list ORACLE-L


IMO views are often used as a substitute for creating reporting 
structures.

Using views makes for easy report/SQL creation, but tends to be a 
tuning and performance nightmare.  It's hard to tune, and will likely
never perform well.

I'm going through similar issues here right now.  A number of users 
need to do reporting on production data.  No way, no how will they
be allowed to do it on the production database.  It's a manufacturing
database and performance is critical to this system.

I've done some prototypes of the tables they need to report on.  Basically
a copy of the production tables in another database.  Those that have a
long refresh cycle ( 1+ days ) get bitmap indexes on most columns.  Those
that need to be close to realtime get Btree indexes instead and will be
refreshed every few minutes ( refresh time pending negotiation with users 
:).

This is not exactly a data mart as I would like to have it:  no star 
schemas.

But it's what I have time for right now, gets the reports off of 
production and
is *much* faster to query.

HTH

Jared






"Smith, Ron L." <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
02/21/02 08:18 AM
Please respond to ORACLE-L

 
To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
cc: 
Subject:Anybody against using views?


We have several applications that use views extensively.  On the other 
hand
there are several apps that use no views at all.  We have a new developer
who wants to use views when writing reports in Crystal Reports.  The
application administrator is leery of using views and ask the DBA group 
what
we think.  I can see several reasons to use views and a few reasons not to
use them.  I was just wondering what the rest of the group thought.

Ron Smith
DBA
Kerr-McGee Corp

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Smith, Ron L.
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RE: ROWID datatype columns and primary keys

2002-02-21 Thread Paul . Parker

Patrice,

The only reason I can think of creating a column with a datatype of ROWID,
is in order to store a rowid.  Why you need to "store" the rowid escapes me
as the rowid is available as a pseudocolumn anyway.

It is also dangerous to "store" this rowid in a column, as it can change.
During and import/export as you said, but also on partitioned tables if the
partitioning key value changes and the table has been setup to allow the row
movement

Just my 2c

Paul


-Original Message-
Sent: Thursday, February 21, 2002 1:18 PM
To: Multiple recipients of list ORACLE-L


Can someone explain to me why some developers like to create ROWID datatype
columns in their tables?

I am wondering why they sometimes do that instead of using primary keys.

I searched for info on this on the Web, but nothing.

ROWID access is probably faster than index access, I guess.

I vaguely remember my Oracle instructor saying about four years ago that
using ROWIDs was bad practice in most cases, but I can't remember exactly
why he said that.

ROWIDs are not reliable, when exports/imports take place and between COMMITS
if many users access the same table, if the row could be dropped and
re-created.

Are there other reasons why someone might not want to use ROWID columns?

I am just fishing for opinions.

Thanks.

Regards,
Patrice Boivin
Systems Analyst (Oracle Certified DBA)
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RE: Anybody against using views?

2002-02-21 Thread Boivin, Patrice J

I would recommend against multiple layers of views, people can become
addicted to them -- sometimes you can see five or more layers of views, then
people wonder why the server is so slow.

Especially if these views rely on database links.

2 or 3 layers of views is OK, I suppose.

Regards,
Patrice Boivin
Systems Analyst (Oracle Certified DBA)

Systems Admin & Operations | Admin. et Exploit. des systemes
Technology Services| Services technologiques
Informatics Branch | Direction de l'informatique 
Maritimes Region, DFO  | Region des Maritimes, MPO

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Re: ROWID datatype columns and primary keys

2002-02-21 Thread Jared . Still

ROWID's have their place.  My preference is that they are used in PL/SQL
or other code as a means of quickly locating or relocating a row in a 
table.

Using them procedurally at runtime is generally considered a valid use
of ROWID data types.

Storing ROWID data is generally considered a bad practice for the reasons
you mention.

Jared





"Boivin, Patrice J" <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
02/21/02 10:18 AM
Please respond to ORACLE-L

 
To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
cc: 
Subject:ROWID datatype columns and primary keys


Can someone explain to me why some developers like to create ROWID 
datatype
columns in their tables?

I am wondering why they sometimes do that instead of using primary keys.

I searched for info on this on the Web, but nothing.

ROWID access is probably faster than index access, I guess.

I vaguely remember my Oracle instructor saying about four years ago that
using ROWIDs was bad practice in most cases, but I can't remember exactly
why he said that.

ROWIDs are not reliable, when exports/imports take place and between 
COMMITS
if many users access the same table, if the row could be dropped and
re-created.

Are there other reasons why someone might not want to use ROWID columns?

I am just fishing for opinions.

Thanks.

Regards,
Patrice Boivin
Systems Analyst (Oracle Certified DBA)
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Boivin, Patrice J
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Re: ROWID datatype columns and primary keys

2002-02-21 Thread Rick_Cale


I am sure someone has a reason for creating a column with a ROWID datatype
but I cannot think of it. Every row has a ROWID column anyway so why
create another one. That column would have to be kept update on almost any
kind of DDL performed on that table.  I cannot imagine populating
that field with any other value than actual ROWID which you already have.

Rick


   

"Boivin, Patrice   

J"   To: Multiple recipients of list 
ORACLE-L <[EMAIL PROTECTED]>   
<[EMAIL PROTECTED]cc:   

mpo.gc.ca>   Subject: ROWID datatype columns and 
primary keys  
Sent by:   

[EMAIL PROTECTED]   

   

   

02/21/2002 01:18   

PM 

Please respond to  

ORACLE-L   

   

   





Can someone explain to me why some developers like to create ROWID datatype
columns in their tables?

I am wondering why they sometimes do that instead of using primary keys.

I searched for info on this on the Web, but nothing.

ROWID access is probably faster than index access, I guess.

I vaguely remember my Oracle instructor saying about four years ago that
using ROWIDs was bad practice in most cases, but I can't remember exactly
why he said that.

ROWIDs are not reliable, when exports/imports take place and between
COMMITS
if many users access the same table, if the row could be dropped and
re-created.

Are there other reasons why someone might not want to use ROWID columns?

I am just fishing for opinions.

Thanks.

Regards,
Patrice Boivin
Systems Analyst (Oracle Certified DBA)
--
Please see the official ORACLE-L FAQ: http://www.orafaq.com
--
Author: Boivin, Patrice J
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RE: ROWID datatype columns and primary keys

2002-02-21 Thread Whittle Jerome Contr NCI

Oracle changed the ROWID size between Oracle7 and Oracle8. It went from 6 bytes to 10 
bytes. So if a developer wrote code that only sized the ROWID to 6 bytes, it's 
probably not going to work when converted to Oracle8 or 9.

Jerry Whittle
ACIFICS DBA
NCI Information Systems Inc.
[EMAIL PROTECTED]
618-622-4145

> -Original Message-
> From: Boivin, Patrice J [SMTP:[EMAIL PROTECTED]]
> Sent: Thursday, February 21, 2002 12:18 PM
> To:   Multiple recipients of list ORACLE-L
> Subject:  ROWID datatype columns and primary keys
> 
> Can someone explain to me why some developers like to create ROWID datatype
> columns in their tables?
> 
> I am wondering why they sometimes do that instead of using primary keys.
> 
> I searched for info on this on the Web, but nothing.
> 
> ROWID access is probably faster than index access, I guess.
> 
> I vaguely remember my Oracle instructor saying about four years ago that
> using ROWIDs was bad practice in most cases, but I can't remember exactly
> why he said that.
> 
> ROWIDs are not reliable, when exports/imports take place and between COMMITS
> if many users access the same table, if the row could be dropped and
> re-created.
> 
> Are there other reasons why someone might not want to use ROWID columns?
> 
> I am just fishing for opinions.
> 
> Thanks.
> 
> Regards,
> Patrice Boivin
> Systems Analyst (Oracle Certified DBA)
> -- 
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> -- 
> Author: Boivin, Patrice J
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Re: Oracle error ORA-04031

2002-02-21 Thread James Manning

[[EMAIL PROTECTED]]
> I'm getting an ORA-04031: unable to allocate 8192 bytes of shared
> memory ("large pool","unknown object","sort subheap","sort key") error,
> and am having a hard time solving the issue.

http://www.cryer.co.uk/brian/oracle/ORA04031.htm
-- 
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RE: ROWID datatype columns and primary keys

2002-02-21 Thread Deshpande, Kirti

In my previous job, ROWIDs were used left-and-right for performance benefits
(accessing a row using ROWIDs is the fastest)and were integral part of the
Appl Design at that time. Other than performance, I do not know why one
would want to use it. However, it prevented us (Tech Support, SDBA) from
table reorgs via export/import. So, we eventually faced performance problems
due to other issues. Later, the Appl was redesigned for newer versions of
oracle without relying on the ROWIDs.. 

- Kirti 


-Original Message-
Sent: Thursday, February 21, 2002 12:18 PM
To: Multiple recipients of list ORACLE-L


Can someone explain to me why some developers like to create ROWID datatype
columns in their tables?

I am wondering why they sometimes do that instead of using primary keys.

I searched for info on this on the Web, but nothing.

ROWID access is probably faster than index access, I guess.

I vaguely remember my Oracle instructor saying about four years ago that
using ROWIDs was bad practice in most cases, but I can't remember exactly
why he said that.

ROWIDs are not reliable, when exports/imports take place and between COMMITS
if many users access the same table, if the row could be dropped and
re-created.

Are there other reasons why someone might not want to use ROWID columns?

I am just fishing for opinions.

Thanks.

Regards,
Patrice Boivin
Systems Analyst (Oracle Certified DBA)
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RE: Instance Monitoring Tools

2002-02-21 Thread Deshpande, Kirti

We use BMC-Patrol. Works great for us..

- Kirti 

-Original Message-
Sent: Thursday, February 21, 2002 12:18 PM
To: Multiple recipients of list ORACLE-L


Can anyone give me an idea of what are the best Oracle instance monitoring
tools on the market?

Thanks,

Rick Stephenson


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mts_dispatchers question

2002-02-21 Thread Farnsworth, Dave

In my init.ora file I have a line that I am not sure what it means and am hoping 
someone can clarify it please.  This is a parameter setting;

mts_dispatchers = "(PROTOCOL=TCP)(PRE=oracle.aurora.server.SGiopServer)"

Now the protocol I can understand, but when looking in TFM I don't see anything for 
the attribute PRE.  Can anyone tell me exactly what this mts_dispatcher parameter 
setting is doing?  I am assumming that I am now using MTS.

Thanks,

Dave
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RE: Anybody against using views?

2002-02-21 Thread אדר יחיאל

Hello Ron

I do not know this package because we use another reporter (business
Objects).
If it is like our there are clear pro and con for using views:

Pro: you CONTROL the access to oracle.

Con: YOU control the access to oracle.

The pro means that you write the selects and can tune them and optimize
the access to the DB.

The con means that you do a lot of work for them and you will maintain
the views each time there are changes. Instead of setting up the connections
between tables in the application, you will set it up in views and 
the developer will simply do select on the view.

Yechiel Adar, Mehish Computer Services
[EMAIL PROTECTED]

> -Original Message-
> From: Smith, Ron L. [SMTP:[EMAIL PROTECTED]]
> Sent: Thu, February 21, 2002 6:18 PM
> To:   Multiple recipients of list ORACLE-L
> Subject:  Anybody against using views?
> 
> We have several applications that use views extensively.  On the other
> hand
> there are several apps that use no views at all.  We have a new developer
> who wants to use views when writing reports in Crystal Reports.  The
> application administrator is leery of using views and ask the DBA group
> what
> we think.  I can see several reasons to use views and a few reasons not to
> use them.  I was just wondering what the rest of the group thought.
> 
> Ron Smith
> DBA
> Kerr-McGee Corp
> 
> -- 
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> -- 
> Author: Smith, Ron L.
>   INET: [EMAIL PROTECTED]
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ROWID datatype columns and primary keys

2002-02-21 Thread Boivin, Patrice J

Can someone explain to me why some developers like to create ROWID datatype
columns in their tables?

I am wondering why they sometimes do that instead of using primary keys.

I searched for info on this on the Web, but nothing.

ROWID access is probably faster than index access, I guess.

I vaguely remember my Oracle instructor saying about four years ago that
using ROWIDs was bad practice in most cases, but I can't remember exactly
why he said that.

ROWIDs are not reliable, when exports/imports take place and between COMMITS
if many users access the same table, if the row could be dropped and
re-created.

Are there other reasons why someone might not want to use ROWID columns?

I am just fishing for opinions.

Thanks.

Regards,
Patrice Boivin
Systems Analyst (Oracle Certified DBA)
-- 
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Re: RAMAN Question

2002-02-21 Thread Peter Gram

Greetings


That is possible as well with RMAN, You can backup as many times you 
like. The delete of the archive files can be done in connection with the
backup or as a separate command

/greetings

Mandal, Ashoke wrote:

>Greetings,
>
>We are at Oracle 8.1.7 on Sun Solaris 7.
>
>Can we backup all the archive logs at any point of time but not deleting all these 
>archive logs as we like to keep the archive logs for 2 days(SYSDATE-1) in the disk so 
>that we don't need to restore the archive logs from rman backup in case of some 
>recovery up to point within last 2 days.
>
>Thanks,
>Ashoke
>

-- 

/regards

Peter Gram

Phone : +45 2527 7107
Fax   : +45 4466 8856

Miracle A/S
Kratvej 2
2760 Målev
http://miracleas.dk




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Instance Monitoring Tools

2002-02-21 Thread rick_stephenson

Can anyone give me an idea of what are the best Oracle instance monitoring
tools on the market?

Thanks,

Rick Stephenson


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Re:RE: Anybody against using views?

2002-02-21 Thread dgoulet

Bambi,

There are times when I really don't like people using a view to do complex
queries.   I'll give you an example of one PIG I have, although I'll re-write it
to just provide the idea of what they did.  The original definition is claimed
by the vendor as "proprietary".  Anyway, here is the basics of what their doing:

create view oops as
select a.name, b.dept, c.value
from (select name, empid, deptid from emp group by name, empid, deptid) a,
 (select deptid, dept_name from dept group by deptid, dept_name) b,
 (select empid, sum(value)value from sales group by empid) c
where a.empid = c.empid
  and a.deptid = b.deptid
group by a.name, b.dept, c.value;

Got any idea what this does to the database?  Of course I forgot to mention that
each of thise dynamic tables has a corolated subquery + other stuff built in as
well.  The vendor claims that this runs very well in their test database, which
it does (total space = 128Kbytes of disk, the tables have < 10 rows each). 
Problem is that in our production database which has 1.5GB of disk space (1 row
in test = 50 rows in production or more) in active use it runs really badly.

Dick Goulet

Reply Separator
Author: "Bellows; Bambi" <[EMAIL PROTECTED]>
Date:   2/21/2002 9:38 AM

If you're using views properly, they're wonderful and allow a phenomenal
amount of flexibility to the designer, but like all powerful beings, they
must use their power for good (complex query manipulation) rather than evil
(resource hogging).

HTH,
Bambi.
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RE: Anybody against using views?

2002-02-21 Thread Jenkins, Michael - EDS

One of the mains reasons we used views at one place I worked was the "table
drop" factor.  We never created a table that we didn't immediately create a
"select * from ..." view on.  We then granted the privileges on the views
instead of the tables so that if we ever had to drop and recreate the table
all of our grants would stay intact on the view.

Now that you can rebuild the table without dropping it I don't think this
approach has much merit but it is something to consider in older databases.

Just one more point of view :)

--Michael

-Original Message-
Sent: Thursday, February 21, 2002 12:29 PM
To: Multiple recipients of list ORACLE-L


I like views... right now I'm working on the one out my office window... a
spectacular view of the Tobacco Root range across the Gallatin Valley. :-)

Regarding database views, you can't say they're entirely good or bad. They
may simplify things for reporting but they could complicate your ability to
tune the SQL... it just depends. Ad hoc end user queries on a separate
non-OLTP reporting server is one thing, ad hoc end user reporting or batch
reports with views of production source data on an OLTP server is could be
quite another. The idea of having business object views of data and turning
end users loose with a reporting tool without DBA supervision can be both
appealing and frightening. But duhvelopers SHOULD know what they're doing.
;-)


Looking out the window in Bozeman, Montana...
Steve Orr


-Original Message-
Sent: Thursday, February 21, 2002 9:18 AM
To: Multiple recipients of list ORACLE-L


We have several applications that use views extensively.  On the other hand
there are several apps that use no views at all.  We have a new developer
who wants to use views when writing reports in Crystal Reports.  The
application administrator is leery of using views and ask the DBA group what
we think.  I can see several reasons to use views and a few reasons not to
use them.  I was just wondering what the rest of the group thought.

Ron Smith
DBA
Kerr-McGee Corp
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RAMAN Question

2002-02-21 Thread Mandal, Ashoke

Greetings,

We are at Oracle 8.1.7 on Sun Solaris 7.

Can we backup all the archive logs at any point of time but not deleting all these 
archive logs as we like to keep the archive logs for 2 days(SYSDATE-1) in the disk so 
that we don't need to restore the archive logs from rman backup in case of some 
recovery up to point within last 2 days.

Thanks,
Ashoke
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RE: Anybody against using views?

2002-02-21 Thread April Wells

Per my morning's experience today... some DEvelopers know what they are
doing... many duhvelopers to every developer though... and the phrase "oh I
tested it" means little sometimes.

Steve... you actually get to TUNE the SQL that gets rolled out to people?
Lucky you... I inherited most of mine, and our system is almost entirely
ad-hoc... one table has 16 views... all of them are select * from <> where
account_no = b1 so the joins work.  They wonder why some of the user queries
run for HOURS... 

Listening to the wind howl over the Texas Panhandle...

April Wells
=)

-Original Message-
Sent: Thursday, February 21, 2002 11:29 AM
To: Multiple recipients of list ORACLE-L


I like views... right now I'm working on the one out my office window... a
spectacular view of the Tobacco Root range across the Gallatin Valley. :-)

Regarding database views, you can't say they're entirely good or bad. They
may simplify things for reporting but they could complicate your ability to
tune the SQL... it just depends. Ad hoc end user queries on a separate
non-OLTP reporting server is one thing, ad hoc end user reporting or batch
reports with views of production source data on an OLTP server is could be
quite another. The idea of having business object views of data and turning
end users loose with a reporting tool without DBA supervision can be both
appealing and frightening. But duhvelopers SHOULD know what they're doing.
;-)


Looking out the window in Bozeman, Montana...
Steve Orr


-Original Message-
Sent: Thursday, February 21, 2002 9:18 AM
To: Multiple recipients of list ORACLE-L


We have several applications that use views extensively.  On the other hand
there are several apps that use no views at all.  We have a new developer
who wants to use views when writing reports in Crystal Reports.  The
application administrator is leery of using views and ask the DBA group what
we think.  I can see several reasons to use views and a few reasons not to
use them.  I was just wondering what the rest of the group thought.

Ron Smith
DBA
Kerr-McGee Corp
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begin 666 InterScan_Disclaimer.txt
M5&AE(&EN9F]R;6%T:6]N(&-O;G1A:6YE9"!I;B!T:&ES(&4M;6%I;"!I3L@:70@;6%Y(&%L2!P2!A;GEO;F4@;W1H97(@=&AA
M;B!T:&4@:6YT96YD960@2!B92!I;&QE9V%L+B @268@>6]U(&AA=F4@7-T96US+"!)
M;F,N(&AA2!R96%S;VYA8FQE('!R96-A=71I;VX@=&\@
M96YS=7)E('1H870@86YY(&%T=&%C:&UE;G0@=&\@=&AI6]U(&-Ahttp://www.orafaq.com
-- 
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RE: Anybody against using views?

2002-02-21 Thread Bellows, Bambi

If you're using views properly, they're wonderful and allow a phenomenal
amount of flexibility to the designer, but like all powerful beings, they
must use their power for good (complex query manipulation) rather than evil
(resource hogging).

HTH,
Bambi.
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RE: Anybody against using views?

2002-02-21 Thread April Wells

Trouble with some views is, with certain front ends (Business Objects likes
this particularly well) the only way to get it to accept the queries is to
create MULTIPLE views on the same table and do recursive "self" joins that
way.  It makes for very untidy SQL that is practically un-tune-able.  I
would say that to use or not to use is very subjective and situational.  I
would use views in Jerome's situation, but Synonyms are better in others...
and redesign beats both in a lot.

-Original Message-
Sent: Thursday, February 21, 2002 11:04 AM
To: Multiple recipients of list ORACLE-L


Just yesterday a developer was having a performance problem with a
complicated report was taking about 7 minutes to complete. She was grabbing
the table data and doing all the sorting, summing, etc. in the report. I
created four views to feed the report. It now runs in less than a minute. In
this case, a view makes sense.

I also caught developers using the same SQL over and over. I created views
from their statements and it makes their life easier.

Jerry Whittle
ACIFICS DBA
NCI Information Systems Inc.
[EMAIL PROTECTED]
618-622-4145

> -Original Message-
> From: Smith, Ron L. [SMTP:[EMAIL PROTECTED]]
> 
> We have several applications that use views extensively.  On the other
hand
> there are several apps that use no views at all.  We have a new developer
> who wants to use views when writing reports in Crystal Reports.  The
> application administrator is leery of using views and ask the DBA group
what
> we think.  I can see several reasons to use views and a few reasons not to
> use them.  I was just wondering what the rest of the group thought.
> 
> Ron Smith
> DBA
> Kerr-McGee Corp
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Oracle error ORA-04031

2002-02-21 Thread rick

I'm getting an ORA-04031: unable to allocate 8192 bytes of shared memory ("large 
pool","unknown object","sort subheap","sort key") error, and am having a hard time 
solving the issue.

The SQL being ran is:

SELECT COUNT(DISTINCT mail) theCount
FROM Demo D
WHERE (EXISTS (SELECT 1 FROM mails WHERE mail = d.mail))
AND (D.countryID IN ('US'))
AND ((EXISTS (SELECT 1 FROM Interests I WHERE D.id = I.demoID AND I.interestID=31))
OR (EXISTS (SELECT 1 FROM Interests I WHERE D.id = I.demoID AND I.interestID=84)) )
AND unsub_date IS NULL
AND return_date IS NULL

demo is a 33+M record table, Mails is 10+M and Interests is 40+M.
There are indexes on demo.mail, Mails.mail, demo.id, and interests(interestid,demoid).

I tried doubling the large pool to see if that would help, but the same query runs 
fine on 8i. This is currently on 9i.

Oh, there is also a degree of parallelism on each table, each set to 4.

Any advice would be appreciated.


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RE: Anybody against using views?

2002-02-21 Thread Orr, Steve

I like views... right now I'm working on the one out my office window... a
spectacular view of the Tobacco Root range across the Gallatin Valley. :-)

Regarding database views, you can't say they're entirely good or bad. They
may simplify things for reporting but they could complicate your ability to
tune the SQL... it just depends. Ad hoc end user queries on a separate
non-OLTP reporting server is one thing, ad hoc end user reporting or batch
reports with views of production source data on an OLTP server is could be
quite another. The idea of having business object views of data and turning
end users loose with a reporting tool without DBA supervision can be both
appealing and frightening. But duhvelopers SHOULD know what they're doing.
;-)


Looking out the window in Bozeman, Montana...
Steve Orr


-Original Message-
Sent: Thursday, February 21, 2002 9:18 AM
To: Multiple recipients of list ORACLE-L


We have several applications that use views extensively.  On the other hand
there are several apps that use no views at all.  We have a new developer
who wants to use views when writing reports in Crystal Reports.  The
application administrator is leery of using views and ask the DBA group what
we think.  I can see several reasons to use views and a few reasons not to
use them.  I was just wondering what the rest of the group thought.

Ron Smith
DBA
Kerr-McGee Corp
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Re: Anybody against using views?

2002-02-21 Thread Jared . Still

IMO views are often used as a substitute for creating reporting 
structures.

Using views makes for easy report/SQL creation, but tends to be a 
tuning and performance nightmare.  It's hard to tune, and will likely
never perform well.

I'm going through similar issues here right now.  A number of users 
need to do reporting on production data.  No way, no how will they
be allowed to do it on the production database.  It's a manufacturing
database and performance is critical to this system.

I've done some prototypes of the tables they need to report on.  Basically
a copy of the production tables in another database.  Those that have a
long refresh cycle ( 1+ days ) get bitmap indexes on most columns.  Those
that need to be close to realtime get Btree indexes instead and will be
refreshed every few minutes ( refresh time pending negotiation with users 
:).

This is not exactly a data mart as I would like to have it:  no star 
schemas.

But it's what I have time for right now, gets the reports off of 
production and
is *much* faster to query.

HTH

Jared






"Smith, Ron L." <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
02/21/02 08:18 AM
Please respond to ORACLE-L

 
To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
cc: 
Subject:Anybody against using views?


We have several applications that use views extensively.  On the other 
hand
there are several apps that use no views at all.  We have a new developer
who wants to use views when writing reports in Crystal Reports.  The
application administrator is leery of using views and ask the DBA group 
what
we think.  I can see several reasons to use views and a few reasons not to
use them.  I was just wondering what the rest of the group thought.

Ron Smith
DBA
Kerr-McGee Corp

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Author: Smith, Ron L.
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RE: Anybody against using views?

2002-02-21 Thread Whittle Jerome Contr NCI

Just yesterday a developer was having a performance problem with a complicated report 
was taking about 7 minutes to complete. She was grabbing the table data and doing all 
the sorting, summing, etc. in the report. I created four views to feed the report. It 
now runs in less than a minute. In this case, a view makes sense.

I also caught developers using the same SQL over and over. I created views from their 
statements and it makes their life easier.

Jerry Whittle
ACIFICS DBA
NCI Information Systems Inc.
[EMAIL PROTECTED]
618-622-4145

> -Original Message-
> From: Smith, Ron L. [SMTP:[EMAIL PROTECTED]]
> 
> We have several applications that use views extensively.  On the other hand
> there are several apps that use no views at all.  We have a new developer
> who wants to use views when writing reports in Crystal Reports.  The
> application administrator is leery of using views and ask the DBA group what
> we think.  I can see several reasons to use views and a few reasons not to
> use them.  I was just wondering what the rest of the group thought.
> 
> Ron Smith
> DBA
> Kerr-McGee Corp
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Author: Whittle Jerome Contr NCI
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Re:Anybody against using views?

2002-02-21 Thread dgoulet

Ron,

Kind of depends on what the view is being used for.  I've several examples
of views that are real PIGS with regards to cpu and temp space usage (Sorry, I
can't share them as they belong to a third party application).  I've also
eliminated a few of these PIGS, these I could share, by some other database
trickery.  My favorite reason NOT to use views is when the view does some data
manipulation based on some strange criteria (been forced into a couple of those
& boy do they create confusion).  I'm also not too fond of views whose sole
purpose in life is to rename a column or two from the original table. 
Otherwise, to perform common joins and the like, their great.

Dick Goulet

Reply Separator
Author: "Smith; Ron L." <[EMAIL PROTECTED]>
Date:   2/21/2002 8:18 AM

We have several applications that use views extensively.  On the other hand
there are several apps that use no views at all.  We have a new developer
who wants to use views when writing reports in Crystal Reports.  The
application administrator is leery of using views and ask the DBA group what
we think.  I can see several reasons to use views and a few reasons not to
use them.  I was just wondering what the rest of the group thought.

Ron Smith
DBA
Kerr-McGee Corp

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Author: Smith, Ron L.
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Anybody against using views?

2002-02-21 Thread Smith, Ron L.

We have several applications that use views extensively.  On the other hand
there are several apps that use no views at all.  We have a new developer
who wants to use views when writing reports in Crystal Reports.  The
application administrator is leery of using views and ask the DBA group what
we think.  I can see several reasons to use views and a few reasons not to
use them.  I was just wondering what the rest of the group thought.

Ron Smith
DBA
Kerr-McGee Corp

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RE: Options instead of ODBC + MS-Access [Slightly? Off-topic]

2002-02-21 Thread Pardee, Roy E

You might want to make sure your developer is hip to Access' "pass-through"
queries & is thinking straight about when it makes sense to do calculations
in Access, as opposed to having them done on the server.

Cheers,

-Roy

Roy Pardee
Programmer/Analyst
SWFPAC Lockheed Martin IT
Extension 8487

-Original Message-
Sent: Thursday, February 21, 2002 5:53 AM
To: Multiple recipients of list ORACLE-L


Sean - 
I think that Access tends to be a wonderfully cheap and easy Oracle
front-end for exactly the situation you described. Naturally, if your site
has standardized on a different tool, then it isn't good, or if the staff is
highly competent in another tool.
I think the developer's concern is an excellent opportunity for you
to introduce the subject of scalability. Think about it. The scalability
problem in this situation isn't in Access, but in the Oracle data model and
in the SQL statements that Access issues (okay technically that part is in
Access). If the data model is well-designed and the SQL statements aren't
doing something like full-table scans, then it should scale well. Okay, the
other gotcha might be if the size of the data you are extracting from Oracle
will eventually overwhelm Access.
If someone else on the list knows any other Access points of
concern, perhaps they will share them.
Dennis Williams
DBA
Lifetouch, Inc.
[EMAIL PROTECTED]


-Original Message-
Sent: Thursday, February 21, 2002 6:48 AM
To: Multiple recipients of list ORACLE-L


A developer here has put together a reporting package which uses ODBC to
interface to an 8.1.7 DB on W2K server and utilises MS-Access on client to
extract data and generate nice GUI final presentation of data.  The data
extracted has various computations performed.  The developer has asked what
other Oracle or 3rd party options might be used to realise the same end
results perhaps in a more efficient manner.  Their concern is that as data
volumes grow the performance will degredate substantially.  Anyone any
ideas?.

-
Seán O' Neill
Organon (Ireland) Ltd.
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RE: Options instead of ODBC + MS-Access [Slightly? Off-topic]

2002-02-21 Thread Rodd Holman

Has the developer considered using Oracle Objects for OLE?  The are
generally much more efficient than the ODBC stuff.  Gives lots of
advantages over ODBC.  Can be used in compiled code and in VBA with
MSOffice apps.

Rodd

On Thu, 2002-02-21 at 08:28, Ji, Richard wrote:
BRIO 

-Original Message-
Sent: Thursday, February 21, 2002 8:53 AM
To: Multiple recipients of list ORACLE-L


lots of vendors in that marketspace.  a few of the heavy hitters are:

Actuate Software Corporation - e-reporting suite
Seagate - crystal reports
Cognos - impromptu

-Original Message-
Sent: Thursday, February 21, 2002 6:48 AM
To: Multiple recipients of list ORACLE-L


A developer here has put together a reporting package which uses ODBC to
interface to an 8.1.7 DB on W2K server and utilises MS-Access on client to
extract data and generate nice GUI final presentation of data.  The data
extracted has various computations performed.  The developer has asked what
other Oracle or 3rd party options might be used to realise the same end
results perhaps in a more efficient manner.  Their concern is that as data
volumes grow the performance will degredate substantially.  Anyone any
ideas?.

-
Seán O' Neill
Organon (Ireland) Ltd.
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Re:RE: Options instead of ODBC + MS-Access [Slightly? Off-to

2002-02-21 Thread dgoulet

Sean,

We too have used Access in the past and still do today.  Dennis does bring
up some very good points & your developer sounds very competent since he/she is
bringing this up vs. trying to gloss over the problem.  Our major salability and
consistency problem with Access were and remain two fold.

1) the OBDC driver being used.  Some of the MicroSoft drivers for Oracle
have this nasty habit of never closing connections.  It is not hard to find your
process limit being hit.  The option here is to use MTS but the better solution
is to get everybody to use a decent driver.  I can look up the one we use if it
will help.

2) People storing data from Oracle into Access.  This one is a real pain in
the (I won't go there).  What happen to us in this arena is that the developer
attached to the Oracle tables and simply scanned them into local Access tables,
then did whatever data processing he wanted.  Worked rather well while the data
volume was low, but as it picked up the application slowed dramatically & I
never heard the end of the "slow database" complaints.  Thankfully our network
admin could prove to the developer that the problem was local.  The other
problem was that once the Oracle table was scanned the application continued to
use the same data until it was shut down.  Made the reports look a little funny
as the day progressed.

Dick Goulet

Reply Separator
Author: DENNIS WILLIAMS <[EMAIL PROTECTED]>
Date:   2/21/2002 5:53 AM

Sean - 
I think that Access tends to be a wonderfully cheap and easy Oracle
front-end for exactly the situation you described. Naturally, if your site
has standardized on a different tool, then it isn't good, or if the staff is
highly competent in another tool.
I think the developer's concern is an excellent opportunity for you
to introduce the subject of scalability. Think about it. The scalability
problem in this situation isn't in Access, but in the Oracle data model and
in the SQL statements that Access issues (okay technically that part is in
Access). If the data model is well-designed and the SQL statements aren't
doing something like full-table scans, then it should scale well. Okay, the
other gotcha might be if the size of the data you are extracting from Oracle
will eventually overwhelm Access.
If someone else on the list knows any other Access points of
concern, perhaps they will share them.
Dennis Williams
DBA
Lifetouch, Inc.
[EMAIL PROTECTED]


-Original Message-
Sent: Thursday, February 21, 2002 6:48 AM
To: Multiple recipients of list ORACLE-L


A developer here has put together a reporting package which uses ODBC to
interface to an 8.1.7 DB on W2K server and utilises MS-Access on client to
extract data and generate nice GUI final presentation of data.  The data
extracted has various computations performed.  The developer has asked what
other Oracle or 3rd party options might be used to realise the same end
results perhaps in a more efficient manner.  Their concern is that as data
volumes grow the performance will degredate substantially.  Anyone any
ideas?.

-
Seán O' Neill
Organon (Ireland) Ltd.
[subscribed: digest mode] 


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th

Re:RE: Options instead of ODBC + MS-Access [Slightly? Off-to

2002-02-21 Thread dgoulet

Good choice, our prefered tool of choice, except for those individuals  well I
won't go there either.

Reply Separator
Author: "Ji; Richard" <[EMAIL PROTECTED]>
Date:   2/21/2002 6:28 AM

BRIO 

-Original Message-
Sent: Thursday, February 21, 2002 8:53 AM
To: Multiple recipients of list ORACLE-L


lots of vendors in that marketspace.  a few of the heavy hitters are:

Actuate Software Corporation - e-reporting suite
Seagate - crystal reports
Cognos - impromptu

-Original Message-
Sent: Thursday, February 21, 2002 6:48 AM
To: Multiple recipients of list ORACLE-L


A developer here has put together a reporting package which uses ODBC to
interface to an 8.1.7 DB on W2K server and utilises MS-Access on client to
extract data and generate nice GUI final presentation of data.  The data
extracted has various computations performed.  The developer has asked what
other Oracle or 3rd party options might be used to realise the same end
results perhaps in a more efficient manner.  Their concern is that as data
volumes grow the performance will degredate substantially.  Anyone any
ideas?.

-
Seán O' Neill
Organon (Ireland) Ltd.
[subscribed: digest mode] 


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RE: A question for people who also know Sybase

2002-02-21 Thread Bala, Prakash
Title: RE: A question for people who also know Sybase




Melissa,
 
Finally made it work last evening. The interfaces 
file (like our tnsnames.ora) that is used by the Sybase client to connect to 
servers has 2 different formats that can be used: TLI and non-TLI. Was 
using TLI format for all servers. When I used a non-TLI format to these 2 
servers, the connection went thru and the gateway started working. So I guess this is some kind of setup issue with the 
Sybase server.
 
If any of you have questions to configure Oracle 
Transparent Gateway with Sybase, I will be glad to help. The documentation is 
not really helpful.
 
Thanks
Prakash
 

  -Original Message-From: Godlewski, Melissa 
  [mailto:[EMAIL PROTECTED]]Sent: Wednesday, February 20, 
  2002 3:29 PMTo: '[EMAIL PROTECTED]'Subject: RE: 
  A question for people who also know Sybase
  Prakash, 
  Have you looked to see if there is some 
  kind of ip deny or accept in place? 
  -Original Message- From: Bala, Prakash [mailto:[EMAIL PROTECTED]] 
  Sent: Wednesday, February 20, 2002 2:48 
  PM To: Multiple recipients of list 
  ORACLE-L Subject: RE: A question 
  for people who also know Sybase 
  Jared, I tried the first 3 and didn't get 
  any answer. Since we are an Oracle shop and not a Sybase shop, we don't have any Sybase support. So I 
  posted here because somebody would 
  have used Oracle Transparent Gateway with Sybase. 
  -Original Message- Sent: Wednesday, February 20, 2002 2:18 PM 
  To: Multiple recipients of list 
  ORACLE-L 
  Ok, this really is an Oracle list, believe 
  it or not. 
  Why not?: 
  a) do a google search b) join a sybase list c) hit the sybase tech support site d) file a support request with sybase. 
  Jared 
  "Bala, Prakash" 
  <[EMAIL PROTECTED]> Sent by: [EMAIL PROTECTED] 02/20/02 09:09 AM Please 
  respond to ORACLE-L 
        To: 
  Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]> 
      
  cc:     
  Subject:    A question for people who 
  also know Sybase 
  Hi, 
  Oracle 8.1.7.2 and Sybase 12.0 client on 
  Solaris 2.8 
  We are trying to access 7 remote Sybase 
  databases (all on NT) using a Sybase client (Adaptive 
  Server Enterprise 12.0) installed on Solaris. 
  Have converted the IP addresses and the 
  port numbers to Hexadecimal and have made the necessary 
  changes to the 'interfaces' file on our Unix box. 
  We are able to successfully connect to 5 
  databases and retrieve data using isql. But we get the following error for the remaining 2 sites when I 
  issue the isql command: 
  CT-LIBRARY error: ct_connect(): network packet layer: internal net 
  library error: Net-Lib protocol 
  driver call to connect two endpoints failed 
  We are able to ping these 2 servers and 
  also do the 'traceroute' successfully. 
  Also, I am able to connect to these 2 
  locations using the Sybase client on my workstation. This verifies that the IP address, port#, user-id 
  and password are correct. 
  
  Just the connection through Unix fails and 
  have to make this work so that our 
  Oracle database can talk to Sybase using the Oracle Gateway. Oracle 
  Gateway is able to retrieve data from the 
  remaining 5 Sybase servers. 
  TIA! 
  Prakash 
  -- 


RE: Options instead of ODBC + MS-Access [Slightly? Off-topic]

2002-02-21 Thread Ji, Richard

BRIO 

-Original Message-
Sent: Thursday, February 21, 2002 8:53 AM
To: Multiple recipients of list ORACLE-L


lots of vendors in that marketspace.  a few of the heavy hitters are:

Actuate Software Corporation - e-reporting suite
Seagate - crystal reports
Cognos - impromptu

-Original Message-
Sent: Thursday, February 21, 2002 6:48 AM
To: Multiple recipients of list ORACLE-L


A developer here has put together a reporting package which uses ODBC to
interface to an 8.1.7 DB on W2K server and utilises MS-Access on client to
extract data and generate nice GUI final presentation of data.  The data
extracted has various computations performed.  The developer has asked what
other Oracle or 3rd party options might be used to realise the same end
results perhaps in a more efficient manner.  Their concern is that as data
volumes grow the performance will degredate substantially.  Anyone any
ideas?.

-
Seán O' Neill
Organon (Ireland) Ltd.
[subscribed: digest mode] 


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RE: Options instead of ODBC + MS-Access [Slightly? Off-topic]

2002-02-21 Thread DENNIS WILLIAMS

Sean - 
I think that Access tends to be a wonderfully cheap and easy Oracle
front-end for exactly the situation you described. Naturally, if your site
has standardized on a different tool, then it isn't good, or if the staff is
highly competent in another tool.
I think the developer's concern is an excellent opportunity for you
to introduce the subject of scalability. Think about it. The scalability
problem in this situation isn't in Access, but in the Oracle data model and
in the SQL statements that Access issues (okay technically that part is in
Access). If the data model is well-designed and the SQL statements aren't
doing something like full-table scans, then it should scale well. Okay, the
other gotcha might be if the size of the data you are extracting from Oracle
will eventually overwhelm Access.
If someone else on the list knows any other Access points of
concern, perhaps they will share them.
Dennis Williams
DBA
Lifetouch, Inc.
[EMAIL PROTECTED]


-Original Message-
Sent: Thursday, February 21, 2002 6:48 AM
To: Multiple recipients of list ORACLE-L


A developer here has put together a reporting package which uses ODBC to
interface to an 8.1.7 DB on W2K server and utilises MS-Access on client to
extract data and generate nice GUI final presentation of data.  The data
extracted has various computations performed.  The developer has asked what
other Oracle or 3rd party options might be used to realise the same end
results perhaps in a more efficient manner.  Their concern is that as data
volumes grow the performance will degredate substantially.  Anyone any
ideas?.

-
Seán O' Neill
Organon (Ireland) Ltd.
[subscribed: digest mode] 


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RE: Options instead of ODBC + MS-Access [Slightly? Off-topic]

2002-02-21 Thread STEVE OLLIG

lots of vendors in that marketspace.  a few of the heavy hitters are:

Actuate Software Corporation - e-reporting suite
Seagate - crystal reports
Cognos - impromptu

-Original Message-
Sent: Thursday, February 21, 2002 6:48 AM
To: Multiple recipients of list ORACLE-L


A developer here has put together a reporting package which uses ODBC to
interface to an 8.1.7 DB on W2K server and utilises MS-Access on client to
extract data and generate nice GUI final presentation of data.  The data
extracted has various computations performed.  The developer has asked what
other Oracle or 3rd party options might be used to realise the same end
results perhaps in a more efficient manner.  Their concern is that as data
volumes grow the performance will degredate substantially.  Anyone any
ideas?.

-
Seán O' Neill
Organon (Ireland) Ltd.
[subscribed: digest mode] 


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Options instead of ODBC + MS-Access [Slightly? Off-topic]

2002-02-21 Thread O'Neill, Sean

A developer here has put together a reporting package which uses ODBC to
interface to an 8.1.7 DB on W2K server and utilises MS-Access on client to
extract data and generate nice GUI final presentation of data.  The data
extracted has various computations performed.  The developer has asked what
other Oracle or 3rd party options might be used to realise the same end
results perhaps in a more efficient manner.  Their concern is that as data
volumes grow the performance will degredate substantially.  Anyone any
ideas?.

-
Seán O' Neill
Organon (Ireland) Ltd.
[subscribed: digest mode] 


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Re: Binary Search in Oracle

2002-02-21 Thread Jan Pruner

> SELECT id,parentid from taxonomy
> START WITH parentid='x003'
> CONNECT BY  id = PRIOR parentid


On Thu 21. February 2002 08:38, you wrote:
> the syntax is something like
>
> SELECT id,parentid from taxonomy
> START WITH parentid='x003'
> CONNECT BY PRIOR id = parentid
>
> which returns all related rows under a particular row  does anyone know
> how to get all related rows above a particular row 
>
>
> Thank You,
>
> Gavin
>
>
>
> - Original Message -
> To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]>
> Sent: Thursday, February 21, 2002 12:03 PM
>
> > Does any one remember the syntax for a binary search  say you have an
>
> id
>
> > column and a parentid column  Oracle can fetch all the ids either
> > ascending or descending given a particular id. This is performed a s a
> > binary tree search 
> >
> > anyone remembers the syntax ?
> >
> > Thank you
> >
> > Gavin
> >
> > --
> > Please see the official ORACLE-L FAQ: http://www.orafaq.com
> > --
> > Author: Gavin D'mello
> >   INET: [EMAIL PROTECTED]
> >
> > Fat City Network Services-- (858) 538-5051  FAX: (858) 538-5051
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> > (or the name of mailing list you want to be removed from).  You may
> > also send the HELP command for other information (like subscribing).
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Anyone using COMMVAULT

2002-02-21 Thread O'Neill, Sean

If anyone on the list is using the Commvault product for B&R + DR of their
databases I'd appreciate hearing feedback on same.  Backchnnel is OK unless
you want to share with list.  We're "considering" it here in a NT/W2K
environment.  

-
Seán O' Neill
Organon (Ireland) Ltd.
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testing -- NO MESSAGE

2002-02-21 Thread Hatzistavrou Giannis



> Kind Regards,
> 
> 
> Hatzistavrou Yannis
> 
> 
> 
-- 
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RE: Dropping table space where name is lower case

2002-02-21 Thread Mark Leith
Title: RE: Dropping table space where name is lower case



.. 
including contents .. cascade constraints ;
 
Just 
in case there was more to the drop tablespace command :)
 
Mark

  -Original Message-From: [EMAIL PROTECTED] 
  [mailto:[EMAIL PROTECTED]]On Behalf Of 
  [EMAIL PROTECTED]Sent: 20 February 2002 
  21:33To: Multiple recipients of list ORACLE-LSubject: 
  RE: Dropping table space where name is lower case
  What are the ...'s for? 
  -Original Message- From: Mark 
  Leith [mailto:[EMAIL PROTECTED]] 
  Sent: Wednesday, February 20, 2002 3:34 PM 
  To: Multiple recipients of list ORACLE-L Subject: RE: Dropping table space where name is lower case 
  
  Darren, 
  Have you tried this *exact* syntax: 
  drop tablespace "spatial"  
  HTH 
  Mark 
  === 
   Mark 
  Leith 
  | T: +44 (0)1905 330 281  Sales & 
  Marketing  | F: +44 (0)870 127 5283 
   Cool Tools UK Ltd  | E: 
  [EMAIL PROTECTED] ===    http://www.cool-tools.co.uk    Maximising throughput & 
  performance 
  -Original Message- Darren Sent: 20 February 2002 20:19 
  To: Multiple recipients of list ORACLE-L 
  I am unable to drop a tablespace that I created. 
  I created the tablespace with a lower case name, when I do a 
  select * from dba_tablespaces the name is lowercase as opposed to 
  uppercase.
  When I "drop tablespace spatial"  oracle gives the 
  following error message : 
  ORA-00959: tablespace 'SPATIAL' does not exist 
  This is oracle 8.1.7.2.? 
  Thanks 
  Darren 
   
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Re: Rollback Segments

2002-02-21 Thread Bjørn Engsig

Bambi,

HLI and OCI - that reminds me of another nice one from the dark ages.  Some 
of you around here, who consider yourself "old" in terms of Oracle may 
remember, the oci call osql3(), which was later superceeded by oparse() 
(version 6/7-ish, I think).  Well, the reason for the old call being called 
osql3() was that it was new with version 3!  In version two, osql() was 
found, but it was limited to 6000 bytes of SQL statement text, where osql3() 
made it possible to go to to 64k.

Rgds, Bjørn.

On Tuesday 19 February 2002 20:18, you wrote:
> Bjorn, you old coot, you've got me beat.  I do remember the UFI prompt
> though... User Friendly Interface... and the "real geeks" would program
> their own SQL*Plus environment using HLI (now OCI) with the OROL option
> which would allow the rollback of a single statement rather than a whole
> transaction.  Now, in my day, we had fire but we had to make our own coal
> and we kept warm on the hides of old terminals that used to roam the
> plains. What were things like in your day?
>
> Bambi.
>
>
> -Original Message-
> Sent: Tuesday, February 19, 2002 5:23 AM
> To: Multiple recipients of list ORACLE-L
>
> There must be somebody beside myself remembering version 3, which did not
> have read consistency - the great new feature of version 4.  In 3, doing
>
> UFI> insert into emp select * from emp;
>
> would cause anything from having 28 rows in emp till having and endless
> loop
>
> in the kernel only finishing when your database file ran full...
>
> Yep - we are some old bitter men around here...
>
> /Bjørn.
>
> On Tuesday 19 February 2002 06:43, you wrote:
> > I remember the BI.ORA  (Before-Image) file, IOR and ODS in Oracle 5.
> >
> > Hemant K Chitale
> > Principal DBA
> > Chartered Semiconductor Manufacturing Ltd
> >
> >
> > Rachel Carmichael <[EMAIL PROTECTED]> 19/02/2002 06:18 AM
> > Sent by: [EMAIL PROTECTED]
> >
> > Please respond to ORACLE-L
> >
> >  To: Multiple recipients of list ORACLE-L
> > <[EMAIL PROTECTED]> cc: (bcc: CHITALE Hemant Krishnarao/IT/CHRT/ST
> > Group) Subject: RE: Rollback Segments
> >
> >
> >
> >
> >
> >
> >
> >
> > UFI no, but the rest... that's where I started in Oracle -- version 5
> >
> > --- "Conboy, Jim" <[EMAIL PROTECTED]> wrote:
> > > Holy cow Mladen, what a memory!
> > >
> > > Does anybody else remember (or admit to) using UFI?
> > >
> > > Jim
> > >
> > > **
> > >
> > > ...does anybody still remember VAX/VMS, ORACLE$BI, IOR and ODT?...
> > > --
> > > Please see the official ORACLE-L FAQ: http://www.orafaq.com
> > > --
> > > Author: Conboy, Jim
> > >   INET: [EMAIL PROTECTED]
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> > Yahoo! Sports - Coverage of the 2002 Olympic Games
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-- 
Bjørn Engsig, Miracle A/S
http://MiracleAS.dk
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