RE: How to re-arrange the nullable columns

2001-06-13 Thread Nirmal Kumar Muthu Kumaran

Thanks to all ...

Nirmal.

 -Original Message-
 From: Christopher Spence [SMTP:[EMAIL PROTECTED]]
 Sent: Wednesday, June 13, 2001 2:40 AM
 To:   Multiple recipients of list ORACLE-L
 Subject:  RE: How to re-arrange the nullable columns
 
 There are reasons of storage/performance that simply creating a view will
 not address.
 
 
 Walking on water and developing software from a specification are easy if
 both are frozen.
 
 Christopher R. Spence
 Oracle DBA
 Fuelspot 
 
 
 
 -Original Message-
 Sent: Tuesday, June 12, 2001 12:12 PM
 To: Multiple recipients of list ORACLE-L
 
 
 If its for application developers ease in INSERT etc. then how about
 creating
 a view which has columns in proper order?
 
 -Rahul
 - Original Message -
 To: Multiple recipients of list ORACLE-L [EMAIL PROTECTED]
 Sent: Tuesday, June 12, 2001 8:45 AM
 
 
  Hi DBA's,
 
  Greetings...
 
  In some of application tables, i found not null columns are appeared at
 the
  last.
 
  So, how can i re-arrange  by the way i can make the not null columns are
 in
  the earliest of the table.
 
  Is the only way to re-create the tables accordingly, or any other best
  methods are there?.
 
  Thanks.
 
  Regards,
  Nirmal.
 
  --
  Please see the official ORACLE-L FAQ: http://www.orafaq.com
  --
  Author: Nirmal Kumar  Muthu Kumaran
INET: [EMAIL PROTECTED]
 
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How to re-arrange the nullable columns

2001-06-12 Thread Nirmal Kumar Muthu Kumaran

Hi DBA's,

Greetings...

In some of application tables, i found not null columns are appeared at the
last. 

So, how can i re-arrange  by the way i can make the not null columns are in
the earliest of the table.

Is the only way to re-create the tables accordingly, or any other best
methods are there?.

Thanks.

Regards,
Nirmal.

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Nirmal Kumar  Muthu Kumaran
  INET: [EMAIL PROTECTED]

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RE: How to re-arrange the nullable columns

2001-06-12 Thread Deshpande, Kirti

Hi Nirmal,
 Unfortunately, a table re-org (one way of the other) is the only solution
to do this. We use a third party tool that unloads, drops, creates, loads
the table. It also takes care of all the grants etc. Just a short cut to all
the manual steps.  

 Not sure if 9i has anything to address such things. 


Regards,

- Kirti Deshpande 
  Verizon Information Services
   http://www.superpages.com

 -Original Message-
 From: Nirmal Kumar  Muthu Kumaran [SMTP:[EMAIL PROTECTED]]
 Sent: Tuesday, June 12, 2001 7:46 AM
 To:   Multiple recipients of list ORACLE-L
 Subject:  How to re-arrange the nullable columns
 
 Hi DBA's,
 
 Greetings...
 
 In some of application tables, i found not null columns are appeared at
 the
 last. 
 
 So, how can i re-arrange  by the way i can make the not null columns are
 in
 the earliest of the table.
 
 Is the only way to re-create the tables accordingly, or any other best
 methods are there?.
 
 Thanks.
 
 Regards,
 Nirmal.
 
 
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Deshpande, Kirti
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Re: How to re-arrange the nullable columns

2001-06-12 Thread William Beilstein

It makes no difference in performance where the not null columns are placed. Why do 
you want to go to the headache of modifying the table structure for something so 
trivial?

 [EMAIL PROTECTED] 06/12/01 08:45AM 
Hi DBA's,

Greetings...

In some of application tables, i found not null columns are appeared at the
last. 

So, how can i re-arrange  by the way i can make the not null columns are in
the earliest of the table.

Is the only way to re-create the tables accordingly, or any other best
methods are there?.

Thanks.

Regards,
Nirmal.

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com 
-- 
Author: Nirmal Kumar  Muthu Kumaran
  INET: [EMAIL PROTECTED] 

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RE: How to re-arrange the nullable columns

2001-06-12 Thread Christopher Spence

Yes, 9i you can move modify drop add anything having to do with a table.
Pretty impressive. 
Now to see it work and stand up the test of time.  The ultimate test.

Walking on water and developing software from a specification are easy if
both are frozen.

Christopher R. Spence
Oracle DBA
Fuelspot 



-Original Message-
Sent: Tuesday, June 12, 2001 10:42 AM
To: Multiple recipients of list ORACLE-L


Hi Nirmal,
 Unfortunately, a table re-org (one way of the other) is the only solution
to do this. We use a third party tool that unloads, drops, creates, loads
the table. It also takes care of all the grants etc. Just a short cut to all
the manual steps.  

 Not sure if 9i has anything to address such things. 


Regards,

- Kirti Deshpande 
  Verizon Information Services
   http://www.superpages.com

 -Original Message-
 From: Nirmal Kumar  Muthu Kumaran [SMTP:[EMAIL PROTECTED]]
 Sent: Tuesday, June 12, 2001 7:46 AM
 To:   Multiple recipients of list ORACLE-L
 Subject:  How to re-arrange the nullable columns
 
 Hi DBA's,
 
 Greetings...
 
 In some of application tables, i found not null columns are appeared at
 the
 last. 
 
 So, how can i re-arrange  by the way i can make the not null columns are
 in
 the earliest of the table.
 
 Is the only way to re-create the tables accordingly, or any other best
 methods are there?.
 
 Thanks.
 
 Regards,
 Nirmal.
 
 
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Deshpande, Kirti
  INET: [EMAIL PROTECTED]

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RE: How to re-arrange the nullable columns

2001-06-12 Thread Deshpande, Kirti

Chris,

  The question was, can you shuffle the order of the columns in 9i? Or add
new columns after/before a particular column? 

- Kirti 
 -Original Message-
 From: Christopher Spence [SMTP:[EMAIL PROTECTED]]
 Sent: Tuesday, June 12, 2001 11:07 AM
 To:   Multiple recipients of list ORACLE-L
 Subject:  RE: How to re-arrange the nullable columns
 
 Yes, 9i you can move modify drop add anything having to do with a table.
 Pretty impressive. 
 Now to see it work and stand up the test of time.  The ultimate test.
 
 Walking on water and developing software from a specification are easy if
 both are frozen.
 
 Christopher R. Spence
 Oracle DBA
 Fuelspot 
 
 
 
 -Original Message-
 Sent: Tuesday, June 12, 2001 10:42 AM
 To: Multiple recipients of list ORACLE-L
 
 
 Hi Nirmal,
  Unfortunately, a table re-org (one way of the other) is the only solution
 to do this. We use a third party tool that unloads, drops, creates, loads
 the table. It also takes care of all the grants etc. Just a short cut to
 all
 the manual steps.  
 
  Not sure if 9i has anything to address such things. 
 
 
 Regards,
 
 - Kirti Deshpande 
   Verizon Information Services
http://www.superpages.com
 
  -Original Message-
  From:   Nirmal Kumar  Muthu Kumaran [SMTP:[EMAIL PROTECTED]]
  Sent:   Tuesday, June 12, 2001 7:46 AM
  To: Multiple recipients of list ORACLE-L
  Subject:How to re-arrange the nullable columns
  
  Hi DBA's,
  
  Greetings...
  
  In some of application tables, i found not null columns are appeared at
  the
  last. 
  
  So, how can i re-arrange  by the way i can make the not null columns are
  in
  the earliest of the table.
  
  Is the only way to re-create the tables accordingly, or any other best
  methods are there?.
  
  Thanks.
  
  Regards,
  Nirmal.
  
  
 -- 
 Please see the official ORACLE-L FAQ: http://www.orafaq.com
 -- 
 Author: Deshpande, Kirti
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RE: How to re-arrange the nullable columns

2001-06-12 Thread Christopher Spence

I beg to differ.

Storage as well as performance is effected if nulls are not at the end of a
table.
Although it is not a HUGE concern, it is certainly fine tuning.

Walking on water and developing software from a specification are easy if
both are frozen.

Christopher R. Spence
Oracle DBA
Fuelspot 



-Original Message-
Sent: Tuesday, June 12, 2001 11:01 AM
To: Multiple recipients of list ORACLE-L


It makes no difference in performance where the not null columns are placed.
Why do you want to go to the headache of modifying the table structure for
something so trivial?

 [EMAIL PROTECTED] 06/12/01 08:45AM 
Hi DBA's,

Greetings...

In some of application tables, i found not null columns are appeared at the
last. 

So, how can i re-arrange  by the way i can make the not null columns are in
the earliest of the table.

Is the only way to re-create the tables accordingly, or any other best
methods are there?.

Thanks.

Regards,
Nirmal.

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com 
-- 
Author: Nirmal Kumar  Muthu Kumaran
  INET: [EMAIL PROTECTED] 

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Re: How to re-arrange the nullable columns

2001-06-12 Thread Rahul Dandekar

If its for application developers ease in INSERT etc. then how about
creating
a view which has columns in proper order?

-Rahul
- Original Message -
To: Multiple recipients of list ORACLE-L [EMAIL PROTECTED]
Sent: Tuesday, June 12, 2001 8:45 AM


 Hi DBA's,

 Greetings...

 In some of application tables, i found not null columns are appeared at
the
 last.

 So, how can i re-arrange  by the way i can make the not null columns are
in
 the earliest of the table.

 Is the only way to re-create the tables accordingly, or any other best
 methods are there?.

 Thanks.

 Regards,
 Nirmal.

 --
 Please see the official ORACLE-L FAQ: http://www.orafaq.com
 --
 Author: Nirmal Kumar  Muthu Kumaran
   INET: [EMAIL PROTECTED]

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RE: How to re-arrange the nullable columns

2001-06-12 Thread Post, Ethan

Actually I think Oracle recommends that NULL columns should be placed at the
end of the row for optimal storage of the row in the block.

- Ethan Post

-Original Message-
Sent: Tuesday, June 12, 2001 8:01 AM
To: Multiple recipients of list ORACLE-L


It makes no difference in performance where the not null columns are placed.
Why do you want to go to the headache of modifying the table structure for
something so trivial?

 [EMAIL PROTECTED] 06/12/01 08:45AM 
Hi DBA's,

Greetings...

In some of application tables, i found not null columns are appeared at the
last. 

So, how can i re-arrange  by the way i can make the not null columns are in
the earliest of the table.

Is the only way to re-create the tables accordingly, or any other best
methods are there?.

Thanks.

Regards,
Nirmal.

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Author: Post, Ethan
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RE: How to re-arrange the nullable columns

2001-06-12 Thread Nirmal Kumar Muthu Kumaran

Yeah,

Perfomance wise there is no benefit(if yes pls correct me), But i read in
manuals as, if the not null columns were resided as a last column 
of a table, then it consumes more storage space then the other case. 

Any one have any suggestions regarding this issue

Regards,
Nirmal.


 -Original Message-
 From: William Beilstein [SMTP:[EMAIL PROTECTED]]
 Sent: Tuesday, June 12, 2001 6:01 PM
 To:   Multiple recipients of list ORACLE-L
 Subject:  Re: How to re-arrange the nullable columns
 
 It makes no difference in performance where the not null columns are
 placed. Why do you want to go to the headache of modifying the table
 structure for something so trivial?
 
  [EMAIL PROTECTED] 06/12/01 08:45AM 
 Hi DBA's,
 
 Greetings...
 
 In some of application tables, i found not null columns are appeared at
 the
 last. 
 
 So, how can i re-arrange  by the way i can make the not null columns are
 in
 the earliest of the table.
 
 Is the only way to re-create the tables accordingly, or any other best
 methods are there?.
 
 Thanks.
 
 Regards,
 Nirmal.
 
 -- 
 Please see the official ORACLE-L FAQ: http://www.orafaq.com 
 -- 
 Author: Nirmal Kumar  Muthu Kumaran
   INET: [EMAIL PROTECTED] 
 
 Fat City Network Services-- (858) 538-5051  FAX: (858) 538-5051
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 -- 
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 Author: William Beilstein
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Author: Nirmal Kumar  Muthu Kumaran
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RE: How to re-arrange the nullable columns

2001-06-12 Thread Christopher Spence

If a row takes more storage, wouldn't it be safe to say it is slower than
one of less storage?

Walking on water and developing software from a specification are easy if
both are frozen.

Christopher R. Spence
Oracle DBA
Fuelspot 



-Original Message-
Sent: Tuesday, June 12, 2001 1:28 PM
To: Multiple recipients of list ORACLE-L


Yeah,

Perfomance wise there is no benefit(if yes pls correct me), But i read in
manuals as, if the not null columns were resided as a last column 
of a table, then it consumes more storage space then the other case. 

Any one have any suggestions regarding this issue

Regards,
Nirmal.


 -Original Message-
 From: William Beilstein [SMTP:[EMAIL PROTECTED]]
 Sent: Tuesday, June 12, 2001 6:01 PM
 To:   Multiple recipients of list ORACLE-L
 Subject:  Re: How to re-arrange the nullable columns
 
 It makes no difference in performance where the not null columns are
 placed. Why do you want to go to the headache of modifying the table
 structure for something so trivial?
 
  [EMAIL PROTECTED] 06/12/01 08:45AM 
 Hi DBA's,
 
 Greetings...
 
 In some of application tables, i found not null columns are appeared at
 the
 last. 
 
 So, how can i re-arrange  by the way i can make the not null columns are
 in
 the earliest of the table.
 
 Is the only way to re-create the tables accordingly, or any other best
 methods are there?.
 
 Thanks.
 
 Regards,
 Nirmal.
 
 -- 
 Please see the official ORACLE-L FAQ: http://www.orafaq.com 
 -- 
 Author: Nirmal Kumar  Muthu Kumaran
   INET: [EMAIL PROTECTED] 
 
 Fat City Network Services-- (858) 538-5051  FAX: (858) 538-5051
 San Diego, California-- Public Internet access / Mailing Lists
 
 To REMOVE yourself from this mailing list, send an E-Mail message
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RE: How to re-arrange the nullable columns

2001-06-12 Thread Christopher Spence

There are reasons of storage/performance that simply creating a view will
not address.


Walking on water and developing software from a specification are easy if
both are frozen.

Christopher R. Spence
Oracle DBA
Fuelspot 



-Original Message-
Sent: Tuesday, June 12, 2001 12:12 PM
To: Multiple recipients of list ORACLE-L


If its for application developers ease in INSERT etc. then how about
creating
a view which has columns in proper order?

-Rahul
- Original Message -
To: Multiple recipients of list ORACLE-L [EMAIL PROTECTED]
Sent: Tuesday, June 12, 2001 8:45 AM


 Hi DBA's,

 Greetings...

 In some of application tables, i found not null columns are appeared at
the
 last.

 So, how can i re-arrange  by the way i can make the not null columns are
in
 the earliest of the table.

 Is the only way to re-create the tables accordingly, or any other best
 methods are there?.

 Thanks.

 Regards,
 Nirmal.

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