*********************************************************** * Description: SQL for querying schema, table segment size * Compatiablity: RDBMS 11g, 12c * Date: 10:42 PM EST, 04/05/2017 *********************************************************** <1> Checking schema size: | |__ SQL> SELECT sum(bytes/1024/1024) FROM dba_segments WHERE owner = 'APP_DEV'; <2> Checking table size: | |__ SQL> select OWNER,SEGMENT_NAME, BYTES/1024/1024 as MB from dba_segments where owner='TEST' and SEGMENT_NAME='BA_BENFS'; OWNER SEGMENT_NAME MB ----------- ------------------ ---------- NEBF BA_BENFS 4.0078125
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