Re: Script to know the size of each table in a schema ?

From: Bambang Setiawan <Bambang.Setiawan_at_Sidola.com>
Date: Sun, 18 Mar 2001 17:27:06 -0800
Message-ID: <F001.002D02A2.20010318170527@fatcity.com>

Thanks a lot Ruth ,
It works fine... : )

sincerely yours,

=bambang=

<> Bambang Setiawan <>

>>> "Ruth Gramolini" <rgramolini_at_tax.state.vt.us> 03/16/01 08:00 >>> To get the number of bytes in each table in a schema you can use the following:

select segment_name, sum(bytes) from dba_segments where segment_type='TABLE' and owner='SCHEMA_NAME'
group by segment_name

This gives bytes but you can get blocks, extents, or bytes from dba_segments.

Ruth
----- Original Message -----

To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Friday, March 16, 2001 3:56 AM

Ya , you're right : )

but I think I have to appreciate all the answers for my question ...

one replied that DBA_SEGMENTS can be used to calculate the size of each table in a schema ( in MBytes ). It's big clue , I still found difficulty in its implementation...

Do you have the script Tapas ?
please let me know : )

HTH, =bambang=

<> Bambang Setiawan <>

>>> tapas dutta <tapasoracle_at_umtl.co.in> 03/16/01 02:25 >>> HEY, THERE IS SOMETHING WRONG IN THE UNDERSTANDING. BY THE MENTIONED SCRIPT ONE CAN ONLY KNOW THE NO. OF ROWS PRESENT IN EACH TABLE FOR THAT PARTICULAR SCHEMA NOT THE SIZE. IS N'T IT.

-----Original Message-----

Sent: Friday, March 16, 2001 8:45 AM
To: Multiple recipients of list ORACLE-L

Hi ,

Thanks a lot for your help , Ruth : )

sincerely yours,

=bambang=

<> Bambang Setiawan <>

>>> "Ruth Gramolini" <rgramolini_at_tax.state.vt.us> 03/15/01 11:40 >>> You can spool the output of this SQL and run it.

select 'select '''||table_name||''', count(*) from '||table_name||';' from dba_tables where owner='SCHEMA_OWNER';

To get the table name in the output you have to put 3 ' s before and after the first ||table_name||.

HTH,
Ruth

Original Message ----- To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Wednesday, March 14, 2001 9:25 PM

Dear Listers,

I just made script to know the size of datafile in a tablepace , but I still have no idea to make a script to know the size of each table in a schema ?

is there anyone who has the script ?
furthermore , I need some information about relationship diagram which describe
the relation among tables/view to calculate storage of objects ( i.e tablespace , datafile , segment , extent ) .

thanks in advance : )

=bambang=

<> Bambang Setiawan <>

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Author: Bambang Setiawan
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Author: Ruth Gramolini
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Author: tapas dutta
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Author: Ruth Gramolini
INET: rgramolini_at_tax.state.vt.us

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