RE: find allocated and used space for a table

IMHO sum of VSIZE will NOT give accurate information regarding the space occupied
"dbms_space.unused_space" will.

Regards

> ----------
> From: Vladimir Begun[SMTP:jester_at_whale.sunbay.crimea.ua ]
> Reply To: ORACLE-L_at_fatcity.com
> Sent: Monday, June 11, 2001 3:50 PM
> To: Multiple recipients of list ORACLE-L
> Subject: Re: find allocated and used space for a table
>
> On Jun 10, 2001 at 11:55:45PM, Soman Manoj wrote:
> > Hi,
> >
> > How to find allocated and used space for a table?
>
> SELECT SUM(blocks) blocks
> , SUM(bytes) bytes
> FROM dba_extents
> WHERE segment_name = '&&table_name'
> /
> ...
> SELECT SUM(VSIZE(colA))
> + SUM(VSIZE(colB))
> + ...
> + SUM(VSIZE(colN))
> FROM table
> /
>
> --
> Vladimir Begun | Others can stop you temporarily, only you
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