日志挖掘冷备exp,imp
日志挖掘
SQL> create table tt as select * from dba_users;
Table created.
SQL> select * from v$log where status='CURRENT';
GROUP# THREAD# SEQUENCE# BYTES MEMBERS ARC STATUS
---------- ---------- ---------- ---------- ---------- --- ----------------
FIRST_CHANGE# FIRST_TIM
------------- ---------
2 1 6 52428800 1 NO CURRENT
1474311 28-JUN-11
1 row selected.
SQL> SELECT MEMBER FROM V$LOGFILE WHERE GROUP#=1;
MEMBER
--------------------------------------------------------------------------------
/oracle/oradata/orcl/redo01.log
1 row selected.
SQL> exec dbms_logmnr.add_logfile('/oracle/oradata/orcl/redo01.log',dbms_logmnr.new);
PL/SQL procedure successfully completed.
SQL> exec dbms_logmnr.start_logmnr(options=>dbms_logmnr.dict_from_online_catalog);
PL/SQL procedure successfully completed.
SQL> desc v$logmnr_contents
Name Null? Type
----------------------------------------- -------- ----------------------------
SCN NUMBER
CSCN NUMBER
TIMESTAMP DATE
COMMIT_TIMESTAMP DATE
THREAD# NUMBER
LOG_ID NUMBER
XIDUSN NUMBER
XIDSLT NUMBER
XIDSQN NUMBER
PXIDUSN NUMBER
PXIDSLT NUMBER
PXIDSQN NUMBER
RBASQN NUMBER
RBABLK NUMBER
RBABYTE NUMBER
UBAFIL NUMBER
UBABLK NUMBER
UBAREC NUMBER
UBASQN NUMBER
ABS_FILE# NUMBER
REL_FILE# NUMBER
DATA_BLK# NUMBER
DATA_OBJ# NUMBER
DATA_OBJD# NUMBER
SEG_OWNER VARCHAR2(32)
SEG_NAME VARCHAR2(256)
TABLE_NAME VARCHAR2(32)
SEG_TYPE NUMBER
SEG_TYPE_NAME VARCHAR2(32)
TABLE_SPACE VARCHAR2(32)
ROW_ID VARCHAR2(18)
SESSION# NUMBER
SERIAL# NUMBER
USERNAME VARCHAR2(30)
SESSION_INFO VARCHAR2(4000)
TX_NAME VARCHAR2(256)
ROLLBACK NUMBER
OPERATION VARCHAR2(32)
OPERATION_CODE NUMBER
SQL_REDO VARCHAR2(4000)
SQL_UNDO VARCHAR2(4000)
RS_ID VARCHAR2(32)
SEQUENCE# NUMBER
SSN NUMBER
CSF NUMBER
INFO VARCHAR2(32)
STATUS NUMBER
REDO_VALUE NUMBER
UNDO_VALUE NUMBER
SQL_COLUMN_TYPE VARCHAR2(30)
SQL_COLUMN_NAME VARCHAR2(30)
REDO_LENGTH NUMBER
REDO_OFFSET NUMBER
UNDO_LENGTH NUMBER
UNDO_OFFSET NUMBER
DATA_OBJV# NUMBER
SAFE_RESUME_SCN NUMBER
XID RAW(8)
PXID RAW(8)
AUDIT_SESSIONID NUMBER
SQL> select sql_redo from v$logmnr_contents
2 where sql_redo like '%create%tt%';
SQL_REDO
--------------------------------------------------------------------------------
create table tt as select * from dba_users;
1 row selected.
SQL>
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冷备
SQL> ho vim cold.sql
set heading off
set feedback off
select 'ho cp '||member||' /oracle/bak/' from v$logfile
union select 'ho cp '||name||' /oracle/bak/' from v$tempfile
union select 'ho cp '||name||' /oracle/bak/' from v$datafile
union select 'ho cp '||name||' /oracle/bak/' from v$controlfile;
SQL> @cold.sql
ho cp /oracle/oradata/orcl/control01.ctl /oracle/bak/
ho cp /oracle/oradata/orcl/control02.ctl /oracle/bak/
ho cp /oracle/oradata/orcl/control03.ctl /oracle/bak/
ho cp /oracle/oradata/orcl/example01.dbf /oracle/bak/
ho cp /oracle/oradata/orcl/redo01.log /oracle/bak/
ho cp /oracle/oradata/orcl/redo02.log /oracle/bak/
ho cp /oracle/oradata/orcl/redo03.log /oracle/bak/
ho cp /oracle/oradata/orcl/sysaux01.dbf /oracle/bak/
ho cp /oracle/oradata/orcl/system01.dbf /oracle/bak/
ho cp /oracle/oradata/orcl/tbs1.dbf /oracle/bak/
ho cp /oracle/oradata/orcl/tbs2.dbf /oracle/bak/
ho cp /oracle/oradata/orcl/tbs3.dbf /oracle/bak/
ho cp /oracle/oradata/orcl/temp01.dbf /oracle/bak/
ho cp /oracle/oradata/orcl/undotbs01.dbf /oracle/bak/
ho cp /oracle/oradata/orcl/users01.dbf /oracle/bak/
SQL> ho vim coldmv.sql
ho cp '/oracle/db/dbs/spfileorcl.ora' /oracle/bak/
ho cp '/oracle/db/dbs/orapworcl' /oracle/bak/
ho cp /oracle/oradata/orcl/control01.ctl /oracle/bak/
ho cp /oracle/oradata/orcl/control02.ctl /oracle/bak/
ho cp /oracle/oradata/orcl/control03.ctl /oracle/bak/
ho cp /oracle/oradata/orcl/example01.dbf /oracle/bak/
ho cp /oracle/oradata/orcl/redo01.log /oracle/bak/
ho cp /oracle/oradata/orcl/redo02.log /oracle/bak/
ho cp /oracle/oradata/orcl/redo03.log /oracle/bak/
ho cp /oracle/oradata/orcl/sysaux01.dbf /oracle/bak/
ho cp /oracle/oradata/orcl/system01.dbf /oracle/bak/
ho cp /oracle/oradata/orcl/tbs1.dbf /oracle/bak/
ho cp /oracle/oradata/orcl/tbs2.dbf /oracle/bak/
ho cp /oracle/oradata/orcl/tbs3.dbf /oracle/bak/
ho cp /oracle/oradata/orcl/temp01.dbf /oracle/bak/
ho cp /oracle/oradata/orcl/undotbs01.dbf /oracle/bak/
ho cp /oracle/oradata/orcl/users01.dbf /oracle/bak/
SQL> @coldmv.sql
[oracle@aa bak]$ ls /oracle/bak/
control01.ctl orapworcl spfileorcl.ora tbs2.dbf users01.dbf
control02.ctl redo01.log sysaux01.dbf tbs3.dbf
control03.ctl redo02.log system01.dbf temp01.dbf
example01.dbf redo03.log tbs1.dbf undotbs01.dbf
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exp和imp
create user ly identified by ly account unlock;
create user ly02 identified by ly02 account unlock;
create user ly03 identified by ly03 account unlock;
grant connect,resource to ly;
grant connect,resource to ly02;
grant connect,resource to ly03;
grant exp_full_database to ly03;
grant imp_full_database to ly03;
[oracle@aa exp]$ exp tables=ly.meixi file=/oracle/exp/meixi.dmp
Export: Release 10.2.0.1.0 - Production on Tue Jun 28 16:56:31 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Username: ly
Password:
Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
Export done in US7ASCII character set and AL16UTF16 NCHAR character set
server uses WE8ISO8859P1 character set (possible charset conversion)
About to export specified tables via Conventional Path ...
. . exporting table MEIXI 50336 rows exported
Export terminated successfully without warnings.
[oracle@aa exp]$ exp tables=ly.meixi file=/oracle/exp/meixi.dmp 覆盖了
Export: Release 10.2.0.1.0 - Production on Tue Jun 28 16:56:41 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Username: sys as sysdba
Password:
Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
Export done in US7ASCII character set and AL16UTF16 NCHAR character set
server uses WE8ISO8859P1 character set (possible charset conversion)
About to export specified tables via Conventional Path ...
Current user changed to LY
. . exporting table MEIXI 50336 rows exported
Export terminated successfully without warnings.
SQL> drop table ly.meixi purge;
Table dropped.
[oracle@aa exp]$ imp tables=meixi file=/oracle/exp/meixi.dmp fromuser=ly touser=ly 因为是用DBA用户导出的，所以只能DBA来进行导入。但是因为属主又是ly,所以后面加上fromuser=ly touser=ly
Import: Release 10.2.0.1.0 - Production on Tue Jun 28 16:59:15 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Username: sys as sysdba
Password:
Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
Export file created by EXPORT:V10.02.01 via conventional path
import done in US7ASCII character set and AL16UTF16 NCHAR character set
import server uses WE8ISO8859P1 character set (possible charset conversion)
. importing LY's objects into LY
. . importing table "MEIXI" 50336 rows imported
Import terminated successfully without warnings.
[oracle@aa exp]$ imp tables=meixi file=/oracle/exp/meixi.dmp indexfile=/oracle/exp/a.txt fromuser=ly touser=ly 只看结构信息
Import: Release 10.2.0.1.0 - Production on Tue Jun 28 17:04:23 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Username: sys as sysdba
Password:
Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
Export file created by EXPORT:V10.02.01 via conventional path
import done in US7ASCII character set and AL16UTF16 NCHAR character set
import server uses WE8ISO8859P1 character set (possible charset conversion)
. . skipping table "MEIXI"
Import terminated successfully without warnings.
[oracle@aa exp]$ cat /oracle/exp/a.txt
REM CREATE TABLE "LY"."MEIXI" ("OWNER" VARCHAR2(30), "OBJECT_NAME"
REM VARCHAR2(128), "SUBOBJECT_NAME" VARCHAR2(30), "OBJECT_ID" NUMBER,
REM "DATA_OBJECT_ID" NUMBER, "OBJECT_TYPE" VARCHAR2(19), "CREATED" DATE,
REM "LAST_DDL_TIME" DATE, "TIMESTAMP" VARCHAR2(19), "STATUS" VARCHAR2(7),
REM "TEMPORARY" VARCHAR2(1), "GENERATED" VARCHAR2(1), "SECONDARY"
REM VARCHAR2(1)) PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255
REM STORAGE(INITIAL 6291456 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL
REM DEFAULT) TABLESPACE "USERS" LOGGING NOCOMPRESS ;
REM ... 50336 rows
－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－
SQL> create table ly.aa as select * from dba_objects;
Table created.
[oracle@aa exp]$ exp tables=ly.aa file=/oracle/exp/lyaa.dmp
Export: Release 10.2.0.1.0 - Production on Tue Jun 28 18:39:35 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Username: ly03
Password:
Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
Export done in US7ASCII character set and AL16UTF16 NCHAR character set
server uses WE8ISO8859P1 character set (possible charset conversion)
About to export specified tables via Conventional Path ...
Current user changed to LY
. . exporting table AA 50337 rows exported
Export terminated successfully without warnings.
[oracle@aa exp]$ imp tables=aa file=/oracle/exp/lyaa.dmp fromuser=ly touser=ly02
Import: Release 10.2.0.1.0 - Production on Tue Jun 28 18:41:03 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Username: ly03
Password:
Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
Export file created by EXPORT:V10.02.01 via conventional path
import done in US7ASCII character set and AL16UTF16 NCHAR character set
import server uses WE8ISO8859P1 character set (possible charset conversion)
. importing LY's objects into LY02
. . importing table "AA" 50337 rows imported
Import terminated successfully without warnings.
－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－
SQL> conn ly/ly
Connected.
SQL> select * from tab;
TNAME TABTYPE CLUSTERID
------------------------------ ------- ----------
DEPT TABLE
AA TABLE
MEIXI TABLE
ABC TABLE
4 rows selected.
SQL> select * from abc;
ID
----------
1
2
3
3 rows selected.
[oracle@aa exp]$ exp tables=ly.aa,ly.abc file=/oracle/exp/q.dmp
Export: Release 10.2.0.1.0 - Production on Tue Jun 28 18:46:55 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Username: ly03
Password:
Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
Export done in US7ASCII character set and AL16UTF16 NCHAR character set
server uses WE8ISO8859P1 character set (possible charset conversion)
About to export specified tables via Conventional Path ...
Current user changed to LY
. . exporting table AA 50337 rows exported
. . exporting table ABC 3 rows exported
Export terminated successfully without warnings.
SQL> conn ly02/ly02
Connected.
SQL> select * from tab;
TNAME TABTYPE CLUSTERID
------------------------------ ------- ----------
MEMP TABLE
1 row selected.
[oracle@aa exp]$ imp tables=abc file=/oracle/exp/q.dmp fromuser=ly touser=ly02
Import: Release 10.2.0.1.0 - Production on Tue Jun 28 18:51:43 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Username: ly03
Password:
Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
Export file created by EXPORT:V10.02.01 via conventional path
import done in US7ASCII character set and AL16UTF16 NCHAR character set
import server uses WE8ISO8859P1 character set (possible charset conversion)
. importing LY's objects into LY02
. . importing table "ABC" 3 rows imported
Import terminated successfully without warnings.
SQL> select * from tab;
TNAME TABTYPE CLUSTERID
------------------------------ ------- ----------
ABC TABLE
MEMP TABLE
2 rows selected.