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Find largest table in oracle

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  • User AvatarKiran Dalvi
  • 08 Sep, 2023
  • 0 Comments
  • 33 Secs Read

Find largest table in oracle

As a DBA, we must know the largest tables in the database. There are many things that get impacted with the largest objects like DB performance, growth, index rebuild etc. The below query gives you the top  largest tables in oracle database.

SQL Script :
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SELECT * FROM
(select
SEGMENT_NAME,
SEGMENT_TYPE,
BYTES/1024/1024/1024 GB,
TABLESPACE_NAME
from
dba_segments
order by 3 desc );

Hope it helps !