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SQL> select B.SEGMENT_NAME, B.blocks,B.blocks * 8096 / 1024 / 1024, A.BLOCKS,A.blocks * 8096 / 1024 / 1024, A.EMPTY_BLOCKS from user_tables a, USER_SEGMENTS B WHERE TABLE_NAME = 'TEST_EMP' AND A.TABLE_NAME = B.SEGMENT_NAME;
SEGMENT_NAME BLOCKS B.BLOCKS*8096/1024/1024 BLOCKS A.BLOCKS*8096/1024/1024 EMPTY_BLOCKS
--------------------------------------------------------------------------------- ---------- ----------------------- ---------- ----------------------- ------------
TEST_EMP 1024 7.90625 46 .355163574 0
SQL> SELECT segment_name, SUM(bytes) / 1024 / 1024 Mbytes FROM dba_segments WHERE PARTITION_NAME = 'PT_1' GROUP BY segment_name;
SEGMENT_NAME MBYTES
--------------------------------------------------------------------------------- ----------
TEST_EMP 16
BIN$VibHVCPfDL/gU8gCqMDDfw==$0 8
------------------------------ ------------ ---------- ---------- ---------- -------------------
SYSAUX 94.44 510 28.38 481.63 2017-08-07 17:19:30
SYSTEM 93.24 800 54.06 745.94 2017-08-07 17:19:30
USERS 26.25 5 3.69 1.31 2017-08-07 17:19:30
UNDOTBS1 5.73 470 443.06 26.94 2017-08-07 17:19:30
TEST .05 20480 20470 10 2017-08-07 17:19:30
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