Oracle provide views like, DBA_BLOCKERS and V$LOCK using which we can easily find the blocking locks. Here, we will try to find blocking locks using V$LOCK view which is faster to query and makes it easy to identify the blocking session. SQL> select * from v$lock ; Here we are intere...
select blocking_session, sid, serial#, wait_class,seconds_in_wait fromv$sessionwhereblocking_session is not NULLorder byblocking_session;
scott@CNMMBO>@blocking_session_detail.sql'SID='||A.SID||'WAITCLASS='||A.WAIT_CLASS||'TIME='||A.SECONDS_IN_WAIT||CHR(10)||'QUERY='||B.SQL_TEXT---sid=1067Wait Class=Application Time=5995Query=update scott.empsetsal=sal+100where empno=7788sid=1065Wait Class=Application Time=225Query...
--以下查询正在堵塞的session id,SQL语句以及被堵塞的时间 scott@CNMMBO> @blocking_session_detail.sql 'SID='||A.SID||'WAITCLASS='||A.WAIT_CLASS||'TIME='||A.SECONDS_IN_WAIT||CHR(10)||'QUERY='||B.SQL_TEXT --- sid=1067 Wait Class=Application Time=5995 Query=update scott.emp set sal...
scott@cnmmbo> @blocking_session_detail.sql 'sid='||a.sid||'waitclass='||a.wait_class||'time='||a.seconds_in_wait||chr(10)||'query='||b.sql_text --- sid=1067 wait class=application time=5995 query=update scott.emp set sal=sal+100 where empno=7788 sid...
10、wait | chr (10) | query= | b.sql_text from v$session a, v$sqlarea b where a.blocking_session is not null and a.sql_address = b.address order by a.blocking_session / robinszdb:/dba_scripts/custom/sql more request_lock_type.sql -this script generates a report of users waiting...
The rest of the information in this section is only valid for this metric when it appears in either the Enterprise Manager Grid Control or the Enterprise Manager Database Control (if applicable).The following table shows how often the metric's value is collected and compared against the default...
--下面查询正在阻塞的session id,SQL语句以及被阻塞的时间 scott@CNMMBO> @blocking_session_detail.sql 'SID='||A.SID||'WAITCLASS='||A.WAIT_CLASS||'TIME='||A.SECONDS_IN_WAIT||CHR(10)||'QUERY='||B.SQL_TEXT --- sid=1067 Wait Class=Application Time=5995 Query=update scott.emp set sal...
Hello there, I Just download the lastest EA 7.3.0 version, connect to a 9.2.0.8 Oracle database, try to monitor the Blocking Sessions and it show up: SQL Error [904] [42000]: ORA-00904: "WSESSION"."BLOCKING_SESSION": invalid identifier E...
Oracle Database - Enterprise Edition - Version 11.2.0.4 and later Information in this document applies to any platform. Symptoms Alter index rebuild online hang with wait event "blocking txn id for DDL", and blocker session is update statement which updated no row. ...