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建站问答 时间:2024-11-30 19:56:06
作者:文/会员上传
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您可以使用以下方法来检查表是否被锁定:通过查询 V$LOCK 视图来检查表的锁定情况:SELECT * FROM V$LOCK WHERE TYPE = 'TM' AND ID1 = <表的对象ID>;使用 DBMS_LOCK
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您可以使用以下方法来检查表是否被锁定:
SELECT * FROM V$LOCK WHERE TYPE = 'TM' AND ID1 = <表的对象ID>;
DECLAREv_lockhandle VARCHAR2(128);BEGINv_lockhandle := DBMS_LOCK.REQUEST('<表名>', DBMS_LOCK.X_MODE, 10, TRUE);DBMS_OUTPUT.PUT_LINE('Table is not locked');EXCEPTIONWHEN OTHERS THENDBMS_OUTPUT.PUT_LINE('Table is locked');END;
DECLAREv_lockhandle VARCHAR2(128);v_result NUMBER;BEGINv_lockhandle := DBMS_LOCK.ALLOCATE_UNIQUE('<表名>');v_result := DBMS_LOCK.REQUEST(v_lockhandle, DBMS_LOCK.X_MODE, 10, TRUE);IF v_result = 0 THENDBMS_OUTPUT.PUT_LINE('Table is not locked');DBMS_LOCK.RELEASE(v_lockhandle);ELSEDBMS_OUTPUT.PUT_LINE('Table is locked');END IF;EXCEPTIONWHEN OTHERS THENDBMS_OUTPUT.PUT_LINE('Table is locked');END;
请注意,这些方法仅适用于您具有足够的权限来查询锁定信息。
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