SELECT S.SID SESSION_ID, S.USERNAME, DECODE(LMODE, 0 , ' None ' , 1 , ' Null ' , 2 , ' Row-S (SS) ' , 3 , ' Row-X (SX) ' , 4 , ' Share ' , 5 , ' S/Row-X (SSX) ' , 6 , ' Exclusive ' , TO_CHAR(LMODE)) MODE_HELD, DECODE(REQUEST, 0 , ' None ' , 1 , ' Null ' , 2 , ' Row-S (SS) ' , 3 , ' Row-X (SX) ' , 4 , ' Share ' , 5 , ' S/Row-X (SSX) ' , 6 , ' Exclusive ' , TO_CHAR(REQUEST)) MODE_REQUESTED, O.OWNER || ' . ' || O. OBJECT_NAME || ' ( ' || O.OBJECT_TYPE || ' ) ' , S.TYPE LOCK_TYPE, L.ID1 LOCK_ID1, L.ID2 LOCK_ID2
FROM V$LOCK L, SYS.DBA_OBJECTS O, V$SESSION S
WHERE L.SID = S.SID AND L.ID1 = O. OBJECT_ID
执行上记SQL语句,可以查寻到数据库中的锁的情报.
SESSION_ID, USERNAME, MODE_HELD, MODE_REQUESTED, OBJECT_NAME, LOCK_TYPE, LOCK_ID
分别是 拥有锁的SESSION_ID,拥有锁的USERNAME,锁的执行模式MODE_HELD,锁的请求MODE_REQUESTED,锁所在的数据库对象名
,锁的类型,锁的ID.
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