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   ֮ǰ¾É·½·¨ÊÇʹÓà alter session set events ..  »òÕßʹÓÃdbms_system.set_ev·½Ê½
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    »á »° ¼¶:exec dbms_monitor.session_trace_enable(session_id =>1574,
                        serial_num=>36749,waits=>true,binds=>false);
             ×¢Òâ:ʹÓÃselect *  from v$session where sid=sys_context('userenv','sid');
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                                 client_id=''JXXXT:Administrator',
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create user janely identified by wawa
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