SELECT owner, segment_name, SUM(bytes /1024/1024 /1024) sum FROM dba_segments where owner = ‘用户' and segment_name = '表名' GROUP BY owner,segment_name
SELECT owner, segment_name, SUM(bytes /1024/1024 /1024) sum FROM dba_segments where owner = ‘用户' and segment_name = '表名' GROUP BY owner,segment_name