Oracle PL/SQL/System Tables Views/session event
Query v$session_event
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SQL> SQL> set echo on SQL> SQL> create global temporary table sess_event on commit preserve rows as select * from v$session_event where 1=0; Table created. SQL> SQL> truncate table sess_event; Table truncated. SQL> SQL> insert into sess_event select * from v$session_event where sid = ( select sid from v$mystat where rownum = 1 ); 22 rows created. SQL> SQL> select a.event,
2 (a.total_waits-nvl(b.total_waits,0)) total_waits, 3 (a.time_waited-nvl(b.time_waited,0)) time_waited 4 from ( select * from v$session_event where sid = (select sid from v$mystat where rownum = 1 )) a, 5 sess_event b 6 where a.event = b.event(+) and (a.total_waits-nvl(b.total_waits,0)) > 0 7 /
EVENT
TOTAL_WAITS TIME_WAITED
-----------
SQL*Net message to client
5 0
SQL*Net message from client
4 11
2 rows selected. SQL> SQL> SQL> drop table sess_event; drop table sess_event
*
ERROR at line 1: ORA-14452: attempt to create, alter or drop an index on temporary table already in use
SQL> --
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