Title: auto backup and spfile restore
Another thought is that if you are starting your database without any
init.ora at all (which is very possible),
then
you may need to create file systems for the default file locations such as
user_dump_dest, etc...
RF
-Original Message-From:
How could you say that ? ):
No offense at all, I saw Larry post.
I liked to be able to do it without using the analytic functions (Oracle 7.0
for example).
Also was wondering about a way to define data buckets using basic relational
methods.
Regards,
Waleed
-Original Message-
Sent:
Thanks for your reply.
Now I know whom to contact..for upgrades :)
Cyril
On Thu, 23 Jan 2003 Bowes, Chris wrote :
>A valid question. With a pseudo-valid answer, which is: Because
>there is no
>8i for hp-ux 10.20. We have been asking for upgrades and all for
>the last
>4+ years and the manag
Agreed. There's a lot of code out there that was developed considering the
way Oracle handled DDL and DML specifically.
Although I would have liked Oracle to handle DDL as an Autonomous Transaction
and provide an error message for the scenario in the first example, I guess
it might be too late to
Title: auto backup and spfile restore
My
guess is that there is a path defined in your init.ora that isn't correct. Check
your alert log for more information.
RF
-Original Message-From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Chris StephensSent:
Friday, Janu
I am trying to create an instance on Oracle 8.1.7.4.0 (Solaris 5.8). I am
trying to run RMAN to back it up, but the RMAN instance is still at
8.1.7.0.0. I am getting a bunch of errors. Is it possible to run RMAN in
this scenario, or does the RMAN instance need to be upgraded. I'd check
Metalink
Hi listers,
Can anyone in this list explain to me, how to back up my database ?
I use Oracle 9i and I run back up via Oracle Management Console as SYS user
and already setting its previlleges but after I follow all instructions in
back up wizard, final result raise 'Authentication Error'.
Pls show
No offense Waleed, but the solution Larry suggested is quite
a bit easier to take. :)
SQL> l
1 select primarykey,
2 status,
3 dateinserted,
4 LAG(status,1) OVER (PARTITION BY primarykey
5 ORDER BY dateinserted) prior_status
6* from
Nice effort!
You could try:
function f_file_date {
perl -e 'print scalar(localtime((stat($ARGV[0]))[9])) ' $1
}
Jared
"Post, Ethan" <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
01/24/2003 03:04 PM
Please respond to ORACLE-L
To: Multiple recipients of list ORACLE-
Lower the settings for optimizer_index_cost_adj.
set optimizer_index_cost_adj to value that is less than (cost without hint /
cost with hint).
This should help.
Regards,
Waleed
-Original Message-
Sent: Friday, January 24, 2003 3:39 PM
To: Multiple recipients of list ORACLE-L
hinted
fwiw,
The CBO is not choosing the fastest path
for whatever reason on this query. When
you run the various explain plans with timing on
using the hints versus without the hint,
it is clear which way is the faster
way, but its not going that way using
the CBO with a straight query.
I turned the
John
"This is not to distract you from the original problem, but Direct Path
Reads/Writes is I/O that bypass the Db block buffers to read directly into
PGA, and is typical of sort I/O and PQ (among many other reasons)."
Thanks on this See note I sent just before this
on what I did.
Title: unix time conversion function
Yes I knew it was easier in perl, I prefer to
distribute a single script whenever possible and I write pretty much everything
in shell. However, I just figured out a trick to put the perl directly in
my .ksh scripts (see the post I posted a few minutes ago
What were the logical reads query + current during this same test.
Physical reads could be
different because the first query loaded the rows into memory.
John
[EMAIL PROTECTED] wrote:
All the columns in the table are not null ...
here is an interesting test I ran ...
several Direct_Path_Writ
Mike,
> several Direct_Path_Write and Read waits with large elasped times
> are showing up in the 10046 trace data on this query due to the
> full table scan.
This is not to distract you from the original problem, but Direct Path
Reads/Writes is I/O that bypass the Db block buffers to read direct
This will make Jared happy, I finally broke down and fumbled my way through
some perl.
function f_file_date {
{
print "#!/usr/bin/perl"
print "print scalar(localtime((stat(\"${1}\"))[9]))"
} > tmp.pl
perl tmp.pl
rm tmp.pl
}
This little diddy can be placed right in my .ksh script
Title: RE: Producing .mdb output from sqlplus or SQL or PL/SQL
.mdb files are Microsoft Access database files. Best best is import
the data from the database into Access using ODBC connection or to create a flat
file. Access can work directly with the flat file (hey Access has been doing
thi
This works :
create table test_event ( mypk number , mystatus char , mydate date));
insert into test_event values ( 1 , 'A',
to_date('01/01/2001','mm/dd/'));
insert into test_event values ( 1 , 'A',
to_date('01/02/2001','mm/dd/'));
insert into test_event values ( 1 , 'B',
to_date('01/03/2
that's because it's so user "unfriendly" it requires professional services
to install/configure it...
as far as charging for the consultants time, they usually charge for small
deals and it's free for big ones.
I'm sure CA and others are the same.
my 2¢
- Original Message -
To: "Multiple
Title: unix time conversion function
At the risk of stating the obvious, doing
it in Perl looks like this:
#!/usr/bin/perl
use Date::Format qw(time2str);
my $t = 1043447100; # for example
print time2str("%T %A %d %B %Y",
$t), "\n";
Cary Millsap
Hotsos Enterprises, Ltd.
http://
Yes, the only problem is that doing a join with the dba_extents
query makes this run rather long.
Jared
"Thomas Day" <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
01/24/2003 10:39 AM
Please respond to ORACLE-L
To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
Yes ... I can force the hint, but why wont it
take the RBO path ?Its a difference of 7 seconds
versus a split second. So why would the CBO take that
path ?
-Original Message-
Sent: Friday, January 24, 2003 1:14 PM
To: Multiple recipients of list ORACLE-L
hinted
Well, if it can d
Patrice,
I don't think it is possible to do this directly, but if you spool
carefully, you could have it in a format that is automatically read when
you open Excel. Or it is a simple operation in Access to import text
data and you could build a macro to handle that easily.
Good luck
Stephen
>>
Patrice:
I have used the data extract function in EXCEL to select data from views and
tables in my database using an ODBC connection. I imagine you could do the
same thing from within ACCESS as well.
You run the query and it populates the spreadsheet which can then be saved.
Rick Weiss
Oracle D
Hamid Alavi wrote:
>
> Hi List,
>
> Is anybody have any idea for better performance for the following query:
> I just change the OR to UNION ALL
> Appreciate any idea.
>
> SELECT a.evh_event_id
> FROM event_history_evh a
> WHERE
> (a.evh_event_id = 2 AND
> a.evh_
Title: RE: Producing .mdb output from sqlplus or SQL or PL/SQL
.xls is possible ... using owa_sylk package ... (check asktom.oracle.com for more info). no clue what .mdb is ...
Raj
__
Rajendra Jamadagni MIS, ESPN Inc.
Rajendra
As no one seems to care, I guess I'll have to answer my own question.
Methinks the problem was that the svrmgrl process I used to bounce the
instance after the change to /etc/group was holding on to the old group
memberships. So, by simply exiting svrmgrl between the shutdown and startup
of the i
I am wondering if it is possible to produce .mdb or .xls format files from
inside Oracle.
Can this be done?
Regards,
Patrice Boivin
Systems Analyst (Oracle Certified DBA)
Systems Admin & Operations | Admin. et Exploit. des systèmes
Technology Services| Services technologiques
Informatics
Well, if it can do it under rule-based, then
it shouldn't be able to ignore the hint
under CBO - I don't suppose there's
any chance that you have a typo in
the hint ?
Regards
Jonathan Lewis
http://www.jlcomp.demon.co.uk
Coming soon a new one-day tutorial:
Cost Based Optimisation
(see http://www
Title: unix time conversion function
Kinda...you can change the year to 1970 if you want, this also converts
to minutes, not seconds. It is a really ugly function but it seems to
work. You could always use perl.
function f_minutes { # Funky function I use to calculate
the number of minu
All the columns in the table are not null ...
here is an interesting test I ran ...
several Direct_Path_Write and Read waits with large elasped times
are showing up in the 10046 trace data on this query due to the
full table scan.
Just deleted statistics on this and fwiw ...
With Statistics ...
Title: Checklist - Ken Janusz??
Hello everyone,
I saw a check list posted to the list a couple of days ago. Well, wouldn't you know it - Hours ago I inherited an Oracle/Peoplesoft/AIX environment and I need that check list because I am talking to the previous DBA in just a couple of hours
> I think DDL and DML are two different things and should not be mixed
> together. If they are mixed together, then developers need to learn how
it
> works and deal with it.
And there you have it.
If you need DDL in your code, isolate it in an anonymous transaction, or
just be
sure that you ar
Tom - I think you've nailed it. Think of the design decisions that some of
Oracle's competitors made in the early days and how silly they seem in
retrospect. Anyone remember the row-locking vs. block-locking wars?
The other aspect that many people don't think of if they have never
worked in
Title: ORA-4062 is driving me crazy !!
Hi all,
One of our developer has a package (lots of TYPEs, pl/sql table declarations, overloaded function etc). This is being called from
Forms [32 Bit] Version 6.0.8.20.1 (Production)
Oracle Toolkit Version 6.0.8.19.1 (Production)
PL/SQL Version 8.0
Title: Check list - never mind...
I found it in the archives of the list on the website. Sorry...
Lisa Koivu
Oracle Database Administrator
Fairfield Resorts, Inc.
5259 Coconut Creek Parkway
Ft. Lauderdale, FL, USA 33063
Title: Friday Reading ... All About SQL and RDBMS
If you have time this is a good reading all about SQL ...
http://www.mcjones.org/System_R/SQL_Reunion_95/
Please delete immediately, if you have already read this one ... I think this is a keeper.
Raj
Title: auto backup and spfile restore
List,
We are in the process of testing every recovery scenario we can think of using rman. We don't use a catalog and controlfile autobackup is on which implies the spfile is automatically backed up.
So one of the scenarios was to delete the spfile an
And they have an "Instant PHB" feature, too.
> -Original Message-
> From: Jesse, Rich [mailto:[EMAIL PROTECTED]]
> Sent: Friday, January 24, 2003 11:34 AM
> To: Multiple recipients of list ORACLE-L
> Subject: RE: OEM 4
>
>
> Why isn't this press release on Oracle's sites? I also
> wond
Title: RE: unix time conversion function
Nevermind,
Once I thought about it for more than 30 seconds,
I got it.
TO_DATE('01/01/1970','MM/DD/') + / 86400
easy as 3.141592654
Matt Adams - GE Appliances - [EMAIL PROTECTED]
My computer beat me at chess, but I won
when it came
Hi List,
Is anybody have any idea for better performance for the following query:
I just change the OR to UNION ALL
Appreciate any idea.
SELECT a.evh_event_id
FROM event_history_evh a
WHERE
(a.evh_event_id = 2 AND
a.evh_created_date =
(SELECT max( b.evh_
So this is what you're looking for?
col segment_name format a30
col segment_type format a10
select segment_name, segment_type, count(*)
from dba_extents, x$bh
where file_id = file# and dbablk between block_id and
block_id + blocks - 1
group by segment_name, segment_type
HAVING count(*) > 5
ORDE
Title: unix time conversion function
Anybody got a handy little function to
convert a standard unix seconds-since-Jan-1970 epoch
time (stored as a number) to a readable date?
It would save me a lot of time not having to re-invent the
wheel.
Matt
Matt Adams - GE Appliances - [EMAIL
I run this URL now and again, that's how I found the article:
http://www.newsnow.co.uk/newsfeed/?search=Oracle
Regards,
Patrice Boivin
Systems Analyst (Oracle Certified DBA)
Systems Admin & Operations | Admin. et Exploit. des systèmes
Technology Services| Services technologiques
Informati
Sounds pretty interesting, IF your in a completely Oracle environment! On the
other hand if you don't have 9IAS you may be out in the cold.
Dick Goulet
Reply Separator
Author: "Boivin; Patrice J" <[EMAIL PROTECTED]>
Date: 1/24/2003 5:11 AM
Oracle ju
Hemant,
My guess is that Oracle, at some point in time long ago, decided that DDL's
and DML's should not be mixed together. Because they could not (or did not
want to) deal with the issue, they decided to perform an implicit commit
before any DDL statement was issued. Case closed. This is the w
I just use this script that I originally used for finding
which object corrupt blocks are in.
Serves well for this as well.
Note that file_id is the incorrect column to
use on a database with > 1022 data files.
I think you need to use relative_fno in that case.
Jared
-- ora_1578.sql
-- use ar
If done properly, this would require two columns. One for
the data and one for the PK.
This is on parent tables only. Children would of course
require FK columnns.
:)
Jared
"Jamadagni, Rajendra" <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
01/24/2003 07:54 AM
Please respond to ORACLE
At least I remebered one thing which Jared forgot!!!
:-)
Regards
Naveen
-Original Message-
Sent: Friday, January 24, 2003 9:05 PM
To: Multiple recipients of list ORACLE-L
D'oh! I forgot about those.
Getting them out of the registry is another problem.
Do you know Perl? Use Win32::
Dennis,
Allow me to add another item to the pile from the OLD days. Back in SQL*Net
V1 it was recommended to select a database name/SID that was "case insensitive".
That restriction/recommendation was due to older DOS based clients that handled
all of that sort of data as upper case. Theref
We'll I don't want to show my ignorance but I'll never learn if I don't
ask. How do you get from DBABLK to PK_MATERIAL_ORDER_POOL?
Jare
I think it would just be best to follow the OFA standard and backup the
everything under $ORACLE_BASE occasionally. If your sysadm runs
incrementals on the server any changes to the init file should always be
backed up. Changes should also be documented in some other change
log/request etc..If yo
Banarasi - Worse than that, Oracle used to recommend that you use no more
than 4 characters (look at your process names, and imagine if your O.S. only
allowed 8 characters for the name). The problem is that some, mostly older,
computer systems have severe filesystem and process name limitations. I
OK, some clarification here: I use "JSP" for "Java Stored Procedure" and
NOT "Java Server Pages". Also, a co-worker suggested running the "groups"
command to verify what groups are available to the process. That confirmed
that the secondary group is indeed NOT active in the Java Stored Procedure
Why isn't this press release on Oracle's sites? I also wonder why there's
no info (even a lame "Contact your salespersons") on how to actually obtain
the product.
The "Manager-2-Go" feature sounds useful. I wonder...
Rich
Rich Jesse System/Database Administrator
[EMA
Djordje,
1. You're right; in Oracle8, tim is measured in centiseconds (0.01s).
2. The value is the same as that found in v$timer.hsecs.
3. We're not sure whether the Epoch for this clock is even meaningful or
not (I don't think we've been able to prove that the value resets when
you do an instan
I found a bug in Metalink for this. It's
fixed in 10i. See my previous message (and one from Jared) for a work
around.
RF
Robert G. FreemanTechnical Management
ConsultantTUSC - The Oracle Experts www.tusc.com904.708.5076 Cell (it's
everywhere that I am!)Author of several books you can fi
Of course, you can get carried away and call something normalized
that has gone far beyond the requirements for normalization.
Jared
On Friday 24 January 2003 03:43, April Wells wrote:
> Funny... I aruged against tables called international_phone, us_phone,
> international_address, us_address,
Title: RE: over-normalized?
Like one column per table?? I'd like to name this phenomenon as "Fanatic Form Of Normalization"
Raj
__
Rajendra Jamadagni MIS, ESPN Inc.
Rajendra dot Jamadagni at ESPN dot com
Any opinion expressed h
Take your first example :
insert into t1 values (1);
drop table t1;
-- how to deal with self-deadlock ?
insert into t1 values (2);
commit;
Why does Oracle HAVE to commit when the DROP TABLE is issued ?
What if the INSERT had been issued by another session ? Would
the DROP TABLE go through in
On Friday 24 January 2003 02:23, Jonathan Lewis wrote:
> I wouldn't necessarily be concerned, for example,
> by Jared's example of a single block being at
> 66 copies and all the rest at 6.
I've earned the right to be picky with this
particular application. :)
Jared
--
Please see the official
I also get it on 9.2.0.1 on Win2K, same
error code as Robert:
Connected to:Oracle9i Enterprise Edition
Release 9.2.0.1.0 - ProductionWith the Partitioning, OLAP and Oracle Data
Mining optionsJServer Release 9.2.0.1.0 - Production
SQL> select a.file_name
2 from dba_temp_files a, v$temp
D'oh! I forgot about those.
Getting them out of the registry is another problem.
Do you know Perl? Use Win32::TieRegistry.
Jared
On Thursday 23 January 2003 21:43, Naveen Nahata wrote:
> There are avaialable in the registry with String values
>
> 'ORA_SID_PFILE' and 'ORA_SID_PWFILE'
>
> From
I get the error on solaris 9 and 9.2.0.2 except it's 103
Connected.ERROR:ORA-00600: internal error code, arguments:
[ktfthcf-1], [103], [], [], [], [], [], []>>>
[EMAIL PROTECTED] 01/23/03 04:16PM >>>BUT, I don't get the error on
9.0.1.0.0 on Solaris 5.8!-Original Message-Sent: Thur
Djordje,
It's hsecs from v$timer, this is what the 'db reference' says:
V$TIMER
This view lists the elapsed time in hundredths of seconds. Time is measured since
the beginning of the epoch, which is operating system specific, and wraps around to
0 again whenever the value overflows four bytes (ro
Title: RE: CBO not using the index even though it is faster when hinted
How about a where clause for your query ??
Raj
__
Rajendra Jamadagni MIS, ESPN Inc.
Rajendra dot Jamadagni at ESPN dot com
Any opinion expressed here
There are a number of reasons for this:
1) The oracle developers call a function that sets the program name. SQLPlus
does that.
2) If the program name is not set, the client libraries will try to find the
name as part of the logon call. For this a port specific function will be
used. If that i
Title: RE: Program name in v$ views
Oracle
just posted an item, they announced the next version of the
OEM.
http://196.30.226.221/sections/enterprise/2003/0301240730.asp?A=TES&S=Software%20Testing&T=Section&O=FPSH
I
checked on OTN, nothing is available for download there.
Patrice Boivin
A sample query which returns different amounts and
count is the following.
select adjctn_date,
cycle_nbr_code,
sum(reimd_amt) totalamt,
sum(fed_ffp_amt) fedamt,
count(distinct(rcpt_id)) rcnt,
count(1)
from TEST
group by adjctn_date, cycle_nbr_code
order
Ken,
We have BMC Patrol in use for quite some time now.
I used to like it when I installed it about 4 years ago. Presently a co-worker is in
charge. And we are pondering if we want to continue to use it.
The first problem I ran into was that BMC was a bit late in supporting new features
(LMT
Title: Error extensions in the alrtXXX.log
Look
in the Oracle Errors Manual, it will give you a list of all the prefixes for the
different kinds of errors.
RF
-Original Message-From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Denham EvaSent:
Friday, January 24,
Title: Sort (Collating Sequence)
Laura,
The
way that I have always handled this was to create another column in the table,
and populate it with a before insert/update trigger.
In
your case, I would create a VENDOR_SORT column and move the vendor_name column
into this column. I have crea
Oh heck, of course!
Why didn't I think of that? BAHH!
Gotta quick staying up so bloody late!
RF
-Original Message-
Lewis
Sent: Friday, January 24, 2003 2:49 AM
To: Multiple recipients of list ORACLE-L
hinted
Are any of the columns in the index declared
to be NOT NULL - if not, the
Anybody knows what is the reference point for the timing used in the "tim"
column in the trace output, like in:
PARSE #3:c=0,e=0,p=0,cr=0,cu=0,mis=0,r=0,dep=0,og=4,tim=832261739
EXEC #3:c=0,e=0,p=0,cr=0,cu=0,mis=0,r=0,dep=0,og=4,tim=832261739
Apparently the scale is 100 per second for 8i and 976,
Title: EMC EDM backup utility and 9i
Hi, Helmut
I worked whith backup's using EDM and ORACLE 8i but
9i no yet what's problems do you've?
Adriano
- Original Message -
From:
Daiminger, Helmut
To: Multiple recipients of list ORACLE-L
Sent: Friday, January 24, 2003
>
>It used to be (Oracle 8.0.5 think) that if you
>created a user identified by
>external (i.e.) via the OS then the user name
>begain with OPS$. and had to
>be referenced as such
>
>This does not seem to be the case in 81.1.7 on AIX.
>
>
>When did this change?
>
>John Dunn
>Sefas Innovation Ltd
>
Funny... I aruged against tables called international_phone, us_phone,
international_address, us_address, primary_email, secondary_email...
My director told me I couldn't kill her... just mess her up real good.
=)
April
-Original Message-
To: Multiple recipients of list ORACLE-L
Sent
It used to be (Oracle 8.0.5 think) that if you created a user identified by
external (i.e.) via the OS then the user name begain with OPS$. and had to
be referenced as such
This does not seem to be the case in 81.1.7 on AIX.
When did this change?
John Dunn
Sefas Innovation Ltd
0117 9154267
www.
Mark,
You're on the right track thinking of the analytic functions (8.1.6 and
above), which among many things provide the ability to compare between rows
without having to do a self-join or multiple passes. Take a look at the lag
and lead functions.
Here's and example, making a single pass (plus
>> From: Denham Eva <[EMAIL PROTECTED]>
>> Date: Fri, 24 Jan 2003 11:03:47 +0200
>> Subject: Error extensions in the alrtXXX.log
>>
>>Hello List,
>>
>>Pls help, I am busy playing with a Perl script which I want to read
through
>>the error log file each day and mail me when an error has occurred.
>>
I worked on a project a few jobs back where the data modelers really
tried for fully normalized tables. When the "address" table ended up as
5 (or was it 6?) different tables, because address was defined as email
or US snail mail or other country snail mail or office building (with
the associated "
>>From: "Saira Somani" <[EMAIL PROTECTED]>
>> Date: Thu, 23 Jan 2003 10:59:33 -0500
>> Subject: over-normalized?
>>
>>Is there such thing as an over-normalized database design?
>>What defines over-normalization? And what are its consequences? (Other
>>than the obvious degraded database performance
>> From: "KENNETH JANUSZ" <[EMAIL PROTECTED]>
>> Date: Thu, 23 Jan 2003 13:42:39 -0600
>> Subject: BMC's Patrol
>>
>>Is anyone using BMC's Patrol tool on their Oracle DB? If so, what do =
>>you like / dislike about it? Any problem areas? Customer support from =
>>BMC?
FWIW, the local BMC folks h
Title: Error extensions in the alrtXXX.log
I think the only erros
which can exists in alert.og are ORA-
-Original Message-From: ext Denham Eva
[mailto:[EMAIL PROTECTED]]Sent: 24 January, 2003 11:04To:
Multiple recipients of list ORACLE-LSubject: Error extensions in the
alrtXXX.log
Correct.
Hot blocks (the most intensively used blocks)
are always likely to leave chains of CR copies,
or have CR copies built, but the number 6 will
often show up as a fairly strict limit.
The code "tries" to limit the number of CR block
to 6 (according to a parameter with a name
something like
Sorry I forgot to mention oracle version etc on the first copy of this
email.
Hi,
Can anyone point me to any web sites that have information on the following
two issues
1. Running oracle forms on the oracle server
Our customer wants to take away our access to the client machines and they
were
Do you install your form 5 in the same directory with oracle 9i ?
If 'yes' your registry in your OS is already changes, that's why you can't
start your 9i. Perhaps it is a bad idea if you reinstall your 9i (but check
whether there is a facility to repair your oracle 9i on its cd) or you
reconfigure
Title: Error extensions in the alrtXXX.log
Hello List,
Pls help, I am busy playing with a Perl script which I want to read through the error log file each day and mail me when an error has occurred.
I have already created the part that will be backing up the alrtXXX.log to another file. So
Title: EMC EDM backup utility and 9i
Hi!
Is anybody out there using EMC's EDM backup utility to back up their Oracle databases? We're running into problems when trying to back up 9i. 8i works fine.
Thanks,
Helmut
Hi List ,
Can Please some one list the steps and the commands ,even in breif, to
extract files from informix database running on linux into flat files , I
know nothing about informix and linux.
Thanks
--
Please see the official ORACLE-L FAQ: http://www.orafaq.net
--
Author: Walid Alka
Are any of the columns in the index declared
to be NOT NULL - if not, then the hint is invalid
because obeying it could produce the wrong
answer.
Regards
Jonathan Lewis
http://www.jlcomp.demon.co.uk
Coming soon a new one-day tutorial:
Cost Based Optimisation
(see http://www.jlcomp.demon.co.uk/
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