实验日志挖掘一例
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---开启附加日志功能
SQL> archive log list; Database log mode Archive Mode Automatic archival Enabled Archive destination /home/oracle/archive_log Oldest online log sequence 27 Next log sequence to archive 29 Current log sequence 29 SQL> alter database add supplemental log data; Database altered.
--模拟一个删除
SQL> conn scott/tiger
Connected.
SQL> select * from tab;
TNAME TABTYPE CLUSTERID
------------------------------ ------- ----------
DEPT TABLE
EMP TABLE
BONUS TABLE
SALGRADE TABLE
TEST TABLE
EXT_TEST TABLE
TEST2 TABLE
EXT_TEST_SQLLOADER TABLE
8 rows selected.
SQL> delete emp;
14 rows deleted.
SQL> commit;
Commit complete.
---开始日志挖掘
SQL> conn /as sysdba Connected. SQL> desc dbms_logmnr PROCEDURE ADD_LOGFILE Argument Name Type In/Out Default? ------------------------------ ----------------------- ------ -------- LOGFILENAME VARCHAR2 IN OPTIONS BINARY_INTEGER IN DEFAULT FUNCTION COLUMN_PRESENT RETURNS BINARY_INTEGER Argument Name Type In/Out Default? ------------------------------ ----------------------- ------ -------- SQL_REDO_UNDO NUMBER IN DEFAULT COLUMN_NAME VARCHAR2 IN DEFAULT PROCEDURE END_LOGMNR FUNCTION MINE_VALUE RETURNS VARCHAR2 Argument Name Type In/Out Default? ------------------------------ ----------------------- ------ -------- SQL_REDO_UNDO NUMBER IN DEFAULT COLUMN_NAME VARCHAR2 IN DEFAULT PROCEDURE REMOVE_LOGFILE Argument Name Type In/Out Default? ------------------------------ ----------------------- ------ -------- LOGFILENAME VARCHAR2 IN PROCEDURE START_LOGMNR Argument Name Type In/Out Default? ------------------------------ ----------------------- ------ -------- STARTSCN NUMBER IN DEFAULT ENDSCN NUMBER IN DEFAULT STARTTIME DATE IN DEFAULT ENDTIME DATE IN DEFAULT DICTFILENAME VARCHAR2 IN DEFAULT OPTIONS BINARY_INTEGER IN DEFAULT
SQL> select member from v$logfile; MEMBER -------------------------------------------------------------------------------- /u01/app/oracle/oradata/ORCL/redo03.log /u01/app/oracle/oradata/ORCL/redo02.log /u01/app/oracle/oradata/ORCL/redo01.log SQL> exec dbms_logmnr.ADD_LOGFILE(LOGFILENAME=>‘/u01/app/oracle/oradata/ORCL/redo01.log‘,OPTIONS=>dbms_logmnr.new); PL/SQL procedure successfully completed. SQL> exec dbms_logmnr.ADD_LOGFILE(LOGFILENAME=>‘/u01/app/oracle/oradata/ORCL/redo02.log‘,OPTIONS=>dbms_logmnr.addfile); PL/SQL procedure successfully completed. SQL> exec dbms_logmnr.ADD_LOGFILE(LOGFILENAME=>‘/u01/app/oracle/oradata/ORCL/redo03.log‘,OPTIONS=>dbms_logmnr.addfile); PL/SQL procedure successfully completed. SQL> exec dbms_logmnr.start_logmnr(OPTIONS=>dbms_logmnr.dict_from_online_catalog); PL/SQL procedure successfully completed.
SQL> select username,scn,timestamp,sql_redo from v$logmnr_contents where seg_name=‘EMP‘;
USERNAME SCN TIMESTAMP SQL_REDO
---------- ---------- ------------------- --------------------------------------------------
SCOTT 765514 2014-05-14 15:30:04 delete from "SCOTT"."EMP" where "EMPNO" = ‘7369‘ a
nd "ENAME" = ‘SMITH‘ and "JOB" = ‘CLERK‘ and "MGR"
= ‘7902‘ and "HIREDATE" = TO_DATE(‘1980-12-17 00:
00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘) and "SAL" = ‘800‘
and "COMM" IS NULL and "DEPTNO" = ‘20‘ and ROWID
= ‘AAAMfMAAEAAAAAgAAA‘;
SCOTT 765514 2014-05-14 15:30:04 delete from "SCOTT"."EMP" where "EMPNO" = ‘7499‘ a
nd "ENAME" = ‘ALLEN‘ and "JOB" = ‘SALESMAN‘ and "M
GR" = ‘7698‘ and "HIREDATE" = TO_DATE(‘1981-02-20
00:00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘) and "SAL" = ‘1
USERNAME SCN TIMESTAMP SQL_REDO
---------- ---------- ------------------- --------------------------------------------------
600‘ and "COMM" = ‘300‘ and "DEPTNO" = ‘30‘ and RO
WID = ‘AAAMfMAAEAAAAAgAAB‘;
SCOTT 765514 2014-05-14 15:30:04 delete from "SCOTT"."EMP" where "EMPNO" = ‘7521‘ a
nd "ENAME" = ‘WARD‘ and "JOB" = ‘SALESMAN‘ and "MG
R" = ‘7698‘ and "HIREDATE" = TO_DATE(‘1981-02-22 0
0:00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘) and "SAL" = ‘12
50‘ and "COMM" = ‘500‘ and "DEPTNO" = ‘30‘ and ROW
ID = ‘AAAMfMAAEAAAAAgAAC‘;
SCOTT 765514 2014-05-14 15:30:04 delete from "SCOTT"."EMP" where "EMPNO" = ‘7566‘ a
USERNAME SCN TIMESTAMP SQL_REDO
---------- ---------- ------------------- --------------------------------------------------
nd "ENAME" = ‘JONES‘ and "JOB" = ‘MANAGER‘ and "MG
R" = ‘7839‘ and "HIREDATE" = TO_DATE(‘1981-04-02 0
0:00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘) and "SAL" = ‘29
75‘ and "COMM" IS NULL and "DEPTNO" = ‘20‘ and ROW
ID = ‘AAAMfMAAEAAAAAgAAD‘;
SCOTT 765514 2014-05-14 15:30:04 delete from "SCOTT"."EMP" where "EMPNO" = ‘7654‘ a
nd "ENAME" = ‘MARTIN‘ and "JOB" = ‘SALESMAN‘ and "
MGR" = ‘7698‘ and "HIREDATE" = TO_DATE(‘1981-09-28
00:00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘) and "SAL" = ‘
1250‘ and "COMM" = ‘1400‘ and "DEPTNO" = ‘30‘ and
USERNAME SCN TIMESTAMP SQL_REDO
---------- ---------- ------------------- --------------------------------------------------
ROWID = ‘AAAMfMAAEAAAAAgAAE‘;
SCOTT 765514 2014-05-14 15:30:04 delete from "SCOTT"."EMP" where "EMPNO" = ‘7698‘ a
nd "ENAME" = ‘BLAKE‘ and "JOB" = ‘MANAGER‘ and "MG
R" = ‘7839‘ and "HIREDATE" = TO_DATE(‘1981-05-01 0
0:00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘) and "SAL" = ‘28
50‘ and "COMM" IS NULL and "DEPTNO" = ‘30‘ and ROW
ID = ‘AAAMfMAAEAAAAAgAAF‘;
SCOTT 765514 2014-05-14 15:30:04 delete from "SCOTT"."EMP" where "EMPNO" = ‘7782‘ a
nd "ENAME" = ‘CLARK‘ and "JOB" = ‘MANAGER‘ and "MG
USERNAME SCN TIMESTAMP SQL_REDO
---------- ---------- ------------------- --------------------------------------------------
R" = ‘7839‘ and "HIREDATE" = TO_DATE(‘1981-06-09 0
0:00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘) and "SAL" = ‘24
50‘ and "COMM" IS NULL and "DEPTNO" = ‘10‘ and ROW
ID = ‘AAAMfMAAEAAAAAgAAG‘;
SCOTT 765514 2014-05-14 15:30:04 delete from "SCOTT"."EMP" where "EMPNO" = ‘7788‘ a
nd "ENAME" = ‘SCOTT‘ and "JOB" = ‘ANALYST‘ and "MG
R" = ‘7566‘ and "HIREDATE" = TO_DATE(‘1987-04-19 0
0:00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘) and "SAL" = ‘30
00‘ and "COMM" IS NULL and "DEPTNO" = ‘20‘ and ROW
ID = ‘AAAMfMAAEAAAAAgAAH‘;
USERNAME SCN TIMESTAMP SQL_REDO
---------- ---------- ------------------- --------------------------------------------------
SCOTT 765514 2014-05-14 15:30:04 delete from "SCOTT"."EMP" where "EMPNO" = ‘7839‘ a
nd "ENAME" = ‘KING‘ and "JOB" = ‘PRESIDENT‘ and "M
GR" IS NULL and "HIREDATE" = TO_DATE(‘1981-11-17 0
0:00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘) and "SAL" = ‘50
00‘ and "COMM" IS NULL and "DEPTNO" = ‘10‘ and ROW
ID = ‘AAAMfMAAEAAAAAgAAI‘;
SCOTT 765514 2014-05-14 15:30:04 delete from "SCOTT"."EMP" where "EMPNO" = ‘7844‘ a
nd "ENAME" = ‘TURNER‘ and "JOB" = ‘SALESMAN‘ and "
MGR" = ‘7698‘ and "HIREDATE" = TO_DATE(‘1981-09-08
USERNAME SCN TIMESTAMP SQL_REDO
---------- ---------- ------------------- --------------------------------------------------
00:00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘) and "SAL" = ‘
1500‘ and "COMM" = ‘0‘ and "DEPTNO" = ‘30‘ and ROW
ID = ‘AAAMfMAAEAAAAAgAAJ‘;
SCOTT 765514 2014-05-14 15:30:04 delete from "SCOTT"."EMP" where "EMPNO" = ‘7876‘ a
nd "ENAME" = ‘ADAMS‘ and "JOB" = ‘CLERK‘ and "MGR"
= ‘7788‘ and "HIREDATE" = TO_DATE(‘1987-05-23 00:
00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘) and "SAL" = ‘1100
‘ and "COMM" IS NULL and "DEPTNO" = ‘20‘ and ROWID
= ‘AAAMfMAAEAAAAAgAAK‘;
USERNAME SCN TIMESTAMP SQL_REDO
---------- ---------- ------------------- --------------------------------------------------
SCOTT 765514 2014-05-14 15:30:04 delete from "SCOTT"."EMP" where "EMPNO" = ‘7900‘ a
nd "ENAME" = ‘JAMES‘ and "JOB" = ‘CLERK‘ and "MGR"
= ‘7698‘ and "HIREDATE" = TO_DATE(‘1981-12-03 00:
00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘) and "SAL" = ‘950‘
and "COMM" IS NULL and "DEPTNO" = ‘30‘ and ROWID
= ‘AAAMfMAAEAAAAAgAAL‘;
SCOTT 765514 2014-05-14 15:30:04 delete from "SCOTT"."EMP" where "EMPNO" = ‘7902‘ a
nd "ENAME" = ‘FORD‘ and "JOB" = ‘ANALYST‘ and "MGR
" = ‘7566‘ and "HIREDATE" = TO_DATE(‘1981-12-03 00
:00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘) and "SAL" = ‘300
USERNAME SCN TIMESTAMP SQL_REDO
---------- ---------- ------------------- --------------------------------------------------
0‘ and "COMM" IS NULL and "DEPTNO" = ‘20‘ and ROWI
D = ‘AAAMfMAAEAAAAAgAAM‘;
SCOTT 765514 2014-05-14 15:30:04 delete from "SCOTT"."EMP" where "EMPNO" = ‘7934‘ a
nd "ENAME" = ‘MILLER‘ and "JOB" = ‘CLERK‘ and "MGR
" = ‘7782‘ and "HIREDATE" = TO_DATE(‘1982-01-23 00
:00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘) and "SAL" = ‘130
0‘ and "COMM" IS NULL and "DEPTNO" = ‘10‘ and ROWI
D = ‘AAAMfMAAEAAAAAgAAN‘;
SQL> set pagesize 1000
SQL> select sql_undo from v$logmnr_contents where seg_name=‘EMP‘;
SQL_UNDO
------------------------------------------------------------------------------------------------------------------------
insert into "SCOTT"."EMP"("EMPNO","ENAME","JOB","MGR","HIREDATE","SAL","COMM","DEPTNO") values (‘7369‘,‘SMITH‘,‘CLERK‘,‘
7902‘,TO_DATE(‘1980-12-17 00:00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘),‘800‘,NULL,‘20‘);
insert into "SCOTT"."EMP"("EMPNO","ENAME","JOB","MGR","HIREDATE","SAL","COMM","DEPTNO") values (‘7499‘,‘ALLEN‘,‘SALESMAN
‘,‘7698‘,TO_DATE(‘1981-02-20 00:00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘),‘1600‘,‘300‘,‘30‘);
insert into "SCOTT"."EMP"("EMPNO","ENAME","JOB","MGR","HIREDATE","SAL","COMM","DEPTNO") values (‘7521‘,‘WARD‘,‘SALESMAN‘
,‘7698‘,TO_DATE(‘1981-02-22 00:00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘),‘1250‘,‘500‘,‘30‘);
insert into "SCOTT"."EMP"("EMPNO","ENAME","JOB","MGR","HIREDATE","SAL","COMM","DEPTNO") values (‘7566‘,‘JONES‘,‘MANAGER‘
,‘7839‘,TO_DATE(‘1981-04-02 00:00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘),‘2975‘,NULL,‘20‘);
insert into "SCOTT"."EMP"("EMPNO","ENAME","JOB","MGR","HIREDATE","SAL","COMM","DEPTNO") values (‘7654‘,‘MARTIN‘,‘SALESMA
N‘,‘7698‘,TO_DATE(‘1981-09-28 00:00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘),‘1250‘,‘1400‘,‘30‘);
insert into "SCOTT"."EMP"("EMPNO","ENAME","JOB","MGR","HIREDATE","SAL","COMM","DEPTNO") values (‘7698‘,‘BLAKE‘,‘MANAGER‘
,‘7839‘,TO_DATE(‘1981-05-01 00:00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘),‘2850‘,NULL,‘30‘);
insert into "SCOTT"."EMP"("EMPNO","ENAME","JOB","MGR","HIREDATE","SAL","COMM","DEPTNO") values (‘7782‘,‘CLARK‘,‘MANAGER‘
,‘7839‘,TO_DATE(‘1981-06-09 00:00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘),‘2450‘,NULL,‘10‘);
insert into "SCOTT"."EMP"("EMPNO","ENAME","JOB","MGR","HIREDATE","SAL","COMM","DEPTNO") values (‘7788‘,‘SCOTT‘,‘ANALYST‘
,‘7566‘,TO_DATE(‘1987-04-19 00:00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘),‘3000‘,NULL,‘20‘);
insert into "SCOTT"."EMP"("EMPNO","ENAME","JOB","MGR","HIREDATE","SAL","COMM","DEPTNO") values (‘7839‘,‘KING‘,‘PRESIDENT
‘,NULL,TO_DATE(‘1981-11-17 00:00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘),‘5000‘,NULL,‘10‘);
insert into "SCOTT"."EMP"("EMPNO","ENAME","JOB","MGR","HIREDATE","SAL","COMM","DEPTNO") values (‘7844‘,‘TURNER‘,‘SALESMA
N‘,‘7698‘,TO_DATE(‘1981-09-08 00:00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘),‘1500‘,‘0‘,‘30‘);
insert into "SCOTT"."EMP"("EMPNO","ENAME","JOB","MGR","HIREDATE","SAL","COMM","DEPTNO") values (‘7876‘,‘ADAMS‘,‘CLERK‘,‘
7788‘,TO_DATE(‘1987-05-23 00:00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘),‘1100‘,NULL,‘20‘);
insert into "SCOTT"."EMP"("EMPNO","ENAME","JOB","MGR","HIREDATE","SAL","COMM","DEPTNO") values (‘7900‘,‘JAMES‘,‘CLERK‘,‘
7698‘,TO_DATE(‘1981-12-03 00:00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘),‘950‘,NULL,‘30‘);
insert into "SCOTT"."EMP"("EMPNO","ENAME","JOB","MGR","HIREDATE","SAL","COMM","DEPTNO") values (‘7902‘,‘FORD‘,‘ANALYST‘,
‘7566‘,TO_DATE(‘1981-12-03 00:00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘),‘3000‘,NULL,‘20‘);
insert into "SCOTT"."EMP"("EMPNO","ENAME","JOB","MGR","HIREDATE","SAL","COMM","DEPTNO") values (‘7934‘,‘MILLER‘,‘CLERK‘,
‘7782‘,TO_DATE(‘1982-01-23 00:00:00‘, ‘yyyy-mm-dd hh24:mi:ss‘),‘1300‘,NULL,‘10‘);
14 rows selected.
SQL> exec dbms_logmnr.end_logmnr; PL/SQL procedure successfully completed.
转：http://www.cnblogs.com/myrunning/p/4003509.html
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