[Database] 오라클(oracle) 락(lock) 확인 및 제거(kill)

-- 락걸린 테이블 확인 SELECT do.object_name, do.owner, do.object_type, do.owner, vo.xidusn, vo.session_id, vo.locked_mode FROM v$locked_object vo , dba_objects do WHERE vo.object_id = do.object_id ; --해당테이블이 락에 걸렸는지.. SELECT A.SID, A.SERIAL#, B.TYPE, C.OBJECT_NAME FROM V$SESSION A, V$LOCK B, DBA_OBJECTS C WHERE A.SID=B.SID AND B.ID1=C.OBJECT_ID AND B.TYPE='TM' AND C.OBJECT_NAME IN ('테이블명'); /* 락발생 사용자와 sql, object 조회 */ SELECT distinct x.session_id, a.serial#, d.object_name, a.machine, a.terminal, a.program, b.address, b.piece, b.sql_text FROM v$locked_object x, v$session a, v$sqltext b, dba_objects d WHERE x.session_id = a.sid and x.object_id = d.object_id and a.sql_address = b.address order by b.address,b.piece; /* 락 발생 사용자확인 */ SELECT distinct x.session_id, a.serial#, d.object_name, a.machine, a.terminal, a.program, a.logon_time , 'alter system kill session ''' || a.sid || ', ' || a.serial# || ''';' FROM gv$locked_object x, gv$session a, dba_objects d WHERE x.session_id = a.sid and x.object_id = d.object_id order by logon_time; /* 접속 사용자 제거 */ --alter system kill session 'session_id,serial#'; alter system kill session '26,6044'; /* 현재 접속자의 sql 분석 */ SELECT distinct a.sid, a.serial#, a.machine, a.terminal, a.program, b.address, b.piece, b.sql_text FROM v$session a, v$sqltext b WHERE a.sql_address = b.address order by a.sid, a.serial#,b.address,b.piece;