Re: find free space under HWM for a table

on Jul 11, 2001 at 11:30:18PM, Chuan Zhang wrote:
> Hi, DBA gurus,
>
> Recently, I will archiving some big tables. How to find free space under
> HWM for a table?

Do analyze and then you can calculate it:

 dba_segments.blocks - dba_tables.empty_blocks - 1

Be aware the blocks which are below HWM can be empty because of preallocation or delete activities.

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