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Alert Log File螻 Trace File
- Server Process Instance螳 譴 企欧 覈轟 蠍磯
- 豢 - 語ろ伎 default螳 覈 朱誤一 螳 - DB蟲譟磯 DB 蟲 覲蟆
- DB , Startup, Shutdown, Archive Log, Recovery
- 蠍一 蟆 - Create TableSpace, Create Rollback Segment, Alter System Switch LogFile
(襦蠏 れ豺 Thread 1 advanced to log sequence 螳 朱 )
- 蟆所殊 讌磯 蟆 譬. (讌一 朱 螻 願 .) - 朱誤 殊 BACKGROUND_DUMP_DEST 覈 2. Background Process Trace File
- Background Process螳 襷 企欧 覲 蠍磯
- 螻レ - 朱誤 殊 BACKGROUND_DUMP_DEST 覈 - 豢朱: 襦語る+覦炎係殊企 襦語ID.trc 3. User Trace File
- 豌 伎
SQL> CONNECT SYS/CHANGE_ON_INSTALL AS SYSDBA- SQL 蟆 - 語覲, 語ろ伎る 豢螳 - 語覲 豢 (catproc.sql襦 (DB煙 ), prvtutil.plb襦 )
- 轟 語 豢 Enable/Disable蟆 襦
- 語ろ伎 覯 豢
CONNECT SYS/CHANGE_ON_INSTALL AS SYSDBA
- 語 豢SELECT SID, SERIAL#, USERNAME FROM V$SESSION; EXECUTE DBMS_SYSTEM.SET_SQL_TRACE_IN_SESSION(SID, SERIAL#, FALSE); 朱誤 殊 覈 USER_DUMP_DEST 蟆暑
ALTER SESSION SET SQL_TRACE = TRUE;
- USER TRACE FILE リ概螳 朱誤: MAX_DUMP_FILE_SIZE
- 朱誤 殊 SQL_TRACE = TRUE
- 語ろ伎 覯企襦 豢 觜 螻 - SQL_TRACE = FALSE螳 蠍磯蓋螳 - 郁屋給.
SQL> SELECT SID, SERIAL#, USERNAME FROM V$SESSION;
SID SERIAL# USERNAME
1 1
10 1692 1 3 1 4 1 5 1 6 1 7 169 8 169 9 169
11 122 SYS
12 193 SCOTT 12 螳 給.
USERNAME: SCOTT, SID: 12, SERIAL#: 193 語朱 企.
USER "SCOTT"
SQL> REM USERNAME: SCOTT, SID: 12, SERIAL#: 193
SQL> SELECT * FROM EMP;
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
7369 SMITH CLERK 7902 80/12/17 800 20
7499 ALLEN SALESMAN 7698 81/02/20 1600 300 30 7521 WARD SALESMAN 7698 81/02/22 1250 500 30 7566 JONES MANAGER 7839 81/04/02 2975 20 7654 MARTIN SALESMAN 7698 81/09/28 1250 1400 30 7698 BLAKE MANAGER 7839 81/05/01 2850 30 7782 CLARK MANAGER 7839 81/06/09 2450 10 7788 SCOTT ANALYST 7566 87/04/19 3000 20 7839 KING PRESIDENT 81/11/17 5000 10 7844 TURNER SALESMAN 7698 81/09/08 1500 0 30 7876 ADAMS CLERK 7788 87/05/23 1100 20 7900 JAMES CLERK 7698 81/12/03 950 30 7902 FORD ANALYST 7566 81/12/03 3000 20 7934 MILLER CLERK 7782 82/01/23 1300 10 14 螳 給.
DEPTNO DNAME LOC
10 ACCOUNTING NEW YORK
20 RESEARCH DALLAS 30 SALES CHICAGO 40 OPERATIONS BOSTON SQL> REM 豢殊 焔 蟆 覲 .
.
output = c:\trace.txt
Optimizer goal: CHOOSE
Parsing user id: SYS (recursive depth: 1)
********************************************************************************
FROM
EMP
call count cpu elapsed disk query current rows----- Parse 2 0.00 0.00 1 0 1 0
Execute 2 0.00 0.00 0 0 0 0
Fetch 4 0.00 0.00 1 4 8 28
----- total 8 0.00 0.00 2 4 9 28
Optimizer goal: CHOOSE
Parsing user id: 32
-------
14 TABLE ACCESS FULL EMP
********************************************************************************
FROM
DEPT
call count cpu elapsed disk query current rows----- Parse 1 0.00 0.00 1 0 1 0
Execute 1 0.00 0.00 0 0 0 0
Fetch 2 0.00 0.00 1 2 4 4
----- total 4 0.00 0.00 2 2 5 4
Optimizer goal: CHOOSE
Parsing user id: 32
USER "SYS"
EXECUTE DBMS_SYSTEM.SET_SQL_TRACE_IN_SESSION(12, 193, FALSE);
2 WHERE DEPTNO = 10;
DEPTNO DNAME LOC
10 ACCOUNTING NEW YORK
SQL>
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