Tamano Tabla ORACLE

SQL> select owner, segment_name, bytes/1024/1204 MBytes  from dba_segments where segment_name='CUSTOMERS' and owner='SH';

OWNER         SEGMENT_NAME                    MBYTES
------------- ------------------------------ ----------
SH            CUSTOMERS                       10.73

SQL>

select owner, segment_name, bytes/1024/1204 MBytes  from dba_segments where segment_name='EMPLOYEES' and owner='HR';