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Saturday, 12 May 2012

Script: List tables with high water mark not equal to used blocks

set verify off
column owner format a10
column alcblks heading 'Allocated|Blocks' just c
column usdblks heading 'Used|Blocks' just c
column hgwtr heading 'High|Water' just c
break on owner skip page

select
    a.owner, a.table_name, b.blocks  alcblks, a.blocks  usdblks,
    (b.blocks-a.empty_blocks-1)  hgwtr
from dba_tables a, dba_segments b
where  a.table_name=b.segment_name and a.owner=b.owner
    and a.owner not in('SYS','SYSTEM') and a.blocks <> (b.blocks-a.empty_blocks-1)
    and a.owner like upper('&owner')||'%' and a.table_name like upper('&table_name')||'%'
order by 1,2
/

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