select sess.sid,sess.serial#, lo.oracle_username,lo.os_user_name,
ao.object_name,lo.locked_mode from v$locked_object lo,dba_objects
ao,v$session sess where ao.object_id=lo.object_id and lo.session_id=sess.sid;
2、 杀掉锁表进程 --分别为SID和SERIAL#号
alter system kill session '68,51';
3、 查看数据库 引起锁表的sql
SELECT A.USERNAME,A.MACHINE, A.PROGRAM,A.SID,A.SERIAL#,A.STATUS,
C.PIECE, C.SQL_TEXT
FROM V$SESSION A, V$SQLTEXT C
WHERE A.SID IN (SELECT DISTINCT T2.SID
FROM V$LOCKED_OBJECT T1, V$SESSION T2
WHERE T1.SESSION_ID = T2.SID)
AND A.SQL_ADDRESS = C.ADDRESS(+) ORDER BY C.PIECE;