Script to Display a table more than five MB in Particular Schema

SELECT owner, table_name, TRUNC(sum(bytes)/1024/1024) MB
FROM (SELECT segment_name table_name, owner, bytes FROM dba_segments
WHERE segment_type = ‘TABLE’
UNION ALL
SELECT i.table_name, i.owner, s.bytes
FROM dba_indexes i, dba_segments s
WHERE s.segment_name = i.index_name
AND s.owner = i.owner AND s.segment_type = ‘INDEX’
UNION ALL
SELECT l.table_name, l.owner, s.bytes
FROM dba_lobs l, dba_segments s
WHERE s.segment_name = l.segment_name
AND s.owner = l.owner AND s.segment_type = ‘LOBSEGMENT’
UNION ALL
SELECT l.table_name, l.owner, s.bytes
FROM dba_lobs l, dba_segments s
WHERE s.segment_name = l.index_name
AND s.owner = l.owner AND s.segment_type = ‘LOBINDEX’)
WHERE owner in UPPER(‘&owner’)
GROUP BY table_name, owner
HAVING SUM(bytes)/1024/1024 > 5
ORDER BY SUM(bytes) desc;
  • October 2, 2018 | 16 views
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