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Oracle 10046ʼþ

ºÜ¶àʱºò£¬¶ÔÊý¾Ý¿â½øÐÐÐÔÄÜÕï¶Ï¿ÉÒÔʹÓÃSQL¸ú×ٵķ½·¨£¬°ÑһЩÐÅÏ¢¼Ç¼ÔÚtraceÎļþÀïÒÔºó·ÖÎö¡£Ò»°ãÇé¿öÏÂÎÒÃÇ¿ÉÒÔͨ¹ý³õʼ»¯²ÎÊýSQL_TRACE=TRUEÀ´ÉèÖÃSQL¸ú×Ù¡£
ÎÒÃÇÒ²¿ÉÒÔͨ¹ýÉèÖÃ10046ʼþÀ´½øÐÐSQL¸ú×Ù£¬²¢ÇÒ¿ÉÒÔÉèÖò»Í¬µÄ¸ú×Ù¼¶±ð£¬±ÈʹÓÃSQL_TRACE»ñµÃ¸ü¶àµÄÐÅÏ¢¡£
Level 0   Í£ÓÃSQL¸ú×Ù£¬Ï൱ÓÚSQL_TRACE=FALSE
Level 1   ±ê×¼SQL¸ú×Ù£¬Ï൱ÓÚSQL_TRACE=TRUE
Level 4   ÔÚlevel 1µÄ»ù´¡ÉÏÔö¼Ó°ó¶¨±äÁ¿µÄÐÅÏ¢
Level 8   ÔÚlevel 1µÄ»ù´¡ÉÏÔö¼ÓµÈ´ýʼþµÄÐÅÏ¢
Level 12 ÔÚlevel 1µÄ»ù´¡ÉÏÔö¼Ó°ó¶¨±äÁ¿ºÍµÈ´ýʼþµÄÐÅÏ¢
10046ʼþ²»µ«¿ÉÒÔ¸ú×ÙÓû§»á»°(traceÎļþλÓÚUSER_DUMP_DEST )£¬Ò²¿ÉÒÔ¸ú×Ùbackground½ø³Ì(traceÎļþλÓÚBACKGROUND_DUMP_DEST )¡£traceÎļþµÄ´óС¾ö¶¨ÓÚ4¸öÒòËØ£º¸ú×Ù¼¶±ð£¬¸ú×Ùʱ³¤£¬»á»°µÄ»î¶¯¼¶±ðºÍMAX_DUMP_FILE_SIZE²ÎÊý¡£
ÆôÓøú×Ùʼþ10046
1.ÔÚÈ«¾ÖÉèÖÃ
Ð޸ijõʼ»¯²ÎÊý
EVENT = "10046 trace name context forever, level 8"
2.ÔÚµ±Ç°sessionÉèÖÃ
alter session set events '10046 trace name context forever, level 8';
alter session set events '10046 trace name context off';
3.¶ÔÆäËûÓû§sessionÉèÖÃ
Ê×ÏÈ»ñµÃÒª¸ú×ÙµÄsessionµÄsession idºÍserial number
select sid,serial#,username from v$session where username='TRACE_USERNAME';
exec dbms_support.start_trace_in_session(sid => 1234,serial# => 56789,waits => true,binds => true);
exec dbms_support.stop_trace_in_session(sid => 1234,serial# => 56789);
»òÕß
exec dbms_system.set_ev( 1234, 56789, 10046, 8, '');
exec dbms_system.set_ev( 1234, 56789, 10046, 0, '');
»òÕß
exec dbms_monitor.session_trace_enable(session_id => 1234,serial_num => 56789,waits => true,binds => true);
exec dbms_monitor.session_trace_disable(session_id => 1234,serial_num => 56789);
Ò²¿ÉÒÔͨ¹ýʹÓÃoradebug¹¤¾ßÀ´ÉèÖÃ10046ʼþ
Ê×ÏÈͨ¹ýV$PROCESS»ñµÃ¸ÃsessionµÄos process id¡£
select s.username, p.spid os_process_id, p.pid oracle_process_id
from v$session s, v$process p
where s.paddr = p.addr and s.username = upper('TRACE_USERNAME');
oradebug setospid 12345;
oradebug unlimit;
oradebug event 10046 t


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