摘要:
发的撒地方是多少 所属的 select *from dual;select *from dual;select sysdate from dual; 阅读全文
摘要:
Oracle的锁表与解锁--找出Oracle锁定对象SELECT /*+ rule */ S.USERNAME, DECODE(L.TYPE, 'TM', 'TABLE LOCK', 'TX', 'ROW LOCK', NULL) LOCK_LEVEL, O.OWNER, O.OBJECT_NAME, O.OBJECT_TYPE, S.SID, S.SERIAL#, S.TERMINAL, S.MACHINE, S.PROGRAM, S.OSUSER FROM V$SESSION S, V$LOCK L, DBA_OBJECTS 阅读全文