http://www.eygle.com/case/Use.sql_trace.to.Diagnose.database.htm
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包dbms_system定义如下：
SQL> desc dbms_system
PROCEDURE ADD_PARAMETER_VALUE
Argument Name Type In/Out Default?
------------------------------ ----------------------- ------ --------
PARNAME VARCHAR2 IN
VALUE VARCHAR2 IN
SCOPE VARCHAR2 IN DEFAULT
SID VARCHAR2 IN DEFAULT
POSITION BINARY_INTEGER IN DEFAULT
PROCEDURE DIST_TXN_SYNC
Argument Name Type In/Out Default?
------------------------------ ----------------------- ------ --------
INST_NUM NUMBER IN
PROCEDURE GET_ENV
Argument Name Type In/Out Default?
------------------------------ ----------------------- ------ --------
VAR VARCHAR2 IN
VAL VARCHAR2 OUT
PROCEDURE KCFRMS
PROCEDURE KSDDDT
PROCEDURE KSDFLS
PROCEDURE KSDIND
Argument Name Type In/Out Default?
------------------------------ ----------------------- ------ --------
LVL BINARY_INTEGER IN
PROCEDURE KSDWRT
Argument Name Type In/Out Default?
------------------------------ ----------------------- ------ --------
DEST BINARY_INTEGER IN
TST VARCHAR2 IN
PROCEDURE READ_EV
Argument Name Type In/Out Default?
------------------------------ ----------------------- ------ --------
IEV BINARY_INTEGER IN
OEV BINARY_INTEGER OUT
PROCEDURE REMOVE_PARAMETER_VALUE
Argument Name Type In/Out Default?
------------------------------ ----------------------- ------ --------
PARNAME VARCHAR2 IN
VALUE VARCHAR2 IN
SCOPE VARCHAR2 IN DEFAULT
SID VARCHAR2 IN DEFAULT
PROCEDURE REMOVE_PARAMETER_VALUE
Argument Name Type In/Out Default?
------------------------------ ----------------------- ------ --------
PARNAME VARCHAR2 IN
POSITION BINARY_INTEGER IN
SCOPE VARCHAR2 IN DEFAULT
SID VARCHAR2 IN DEFAULT
PROCEDURE SET_BOOL_PARAM_IN_SESSION
Argument Name Type In/Out Default?
------------------------------ ----------------------- ------ --------
SID NUMBER IN
SERIAL# NUMBER IN
PARNAM VARCHAR2 IN
BVAL BOOLEAN IN
PROCEDURE SET_EV
Argument Name Type In/Out Default?
------------------------------ ----------------------- ------ --------
SI BINARY_INTEGER IN
SE BINARY_INTEGER IN
EV BINARY_INTEGER IN
LE BINARY_INTEGER IN
NM VARCHAR2 IN
PROCEDURE SET_INT_PARAM_IN_SESSION
Argument Name Type In/Out Default?
------------------------------ ----------------------- ------ --------
SID NUMBER IN
SERIAL# NUMBER IN
PARNAM VARCHAR2 IN
INTVAL BINARY_INTEGER IN
PROCEDURE SET_SQL_TRACE_IN_SESSION
Argument Name Type In/Out Default?
------------------------------ ----------------------- ------ --------
SID NUMBER IN
SERIAL# NUMBER IN
SQL_TRACE BOOLEAN IN
PROCEDURE WAIT_FOR_EVENT
Argument Name Type In/Out Default?
------------------------------ ----------------------- ------ --------
EVENT VARCHAR2 IN
EXTENDED_ID BINARY_INTEGER IN
TIMEOUT BINARY_INTEGER IN
一、针对别的窗口开启sql_trace功能，此功能可以在sql执行前开启，也可以在sql执行后开启。 --开启sql_trace功能 exec dbms_system.set_sql_trace_in_session(42,1853,true); --关闭sql_trace功能exec dbms_system.set_sql_trace_in_session(42,1853,false); --查询trace文件位置： select c.value || '/' || d.instance_name || '_ora_' || a.spid || '.trc' trace FROM v$process a, v$session b, v$parameter c, v$instance d WHERE a.addr = b.paddr AND b.audsid = userenv('sessionid') AND c.name = 'user_dump_dest';二、针对别的窗口开启10046事件，此功能可以在sql执行前开启，也可以在sql执行后开启。--开启10046事件exec dbms_system.set_ev(42,1853,10046,12,'');--关闭10046事件exec dbms_system.set_ev(42,1853,10046,0,'');--查询trace文件位置： select c.value || '/' || d.instance_name || '_ora_' || a.spid || '.trc' trace FROM v$process a, v$session b, v$parameter c, v$instance d WHERE a.addr = b.paddr AND b.audsid = userenv('sessionid') AND c.name = 'user_dump_dest';
标题名称：使用SQL_TRACE进行数据库诊断
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