通過oracle10g exp/imp在不同表空間間遷移資料
寫這個文章,主要是以前對於quota on語法掌握不牢固,聖人有言,溫故而知新,故寫此文;
大體分為如下幾步:
1,利用exp對zxy使用者進行邏輯資料匯出
[oracle@capitek3 ~]$ exp userid=zxy/system file=~/export_zxy.dmp statistics=none
Export: Release 10.2.0.1.0 - Production on Wed Mar 17 08:00:20 2010
Copyright (c) 1982, 2005, Oracle. All rights reserved.
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)
. exporting pre-schema procedural objects and actions
. exporting foreign function library names for user ZXY
. exporting PUBLIC type synonyms
. exporting private type synonyms
. exporting object type definitions for user ZXY
About to export ZXY's objects ...
. exporting database links
. exporting sequence numbers
. exporting cluster definitions
. about to export ZXY's tables via Conventional Path ...
. . exporting table MM 0 rows exported
. . exporting table T1 2097152 rows exported
. exporting synonyms
. exporting views
. exporting stored procedures
. exporting operators
. exporting referential integrity constraints
. exporting triggers
. exporting indextypes
. exporting bitmap, functional and extensible indexes
. exporting posttables actions
. exporting materialized views
. exporting snapshot logs
. exporting job queues
. exporting refresh groups and children
. exporting dimensions
. exporting post-schema procedural objects and actions
. exporting statistics
Export terminated successfully without warnings.
2,執行imp,準備把第1步匯出的資料遷移到另一個表空間part1,在在此之前,請進行如下準備工作,不然imp會把資料匯入原來的表空間喲
可分下面幾小步:
a,以sysdba進入資料庫,alter user zxy quota 0 on zxy;--quota表明是對錶空間的配額許可權,on所跟的zxy為表空間(也就是要遷移使用者所對應的原來表空間);大家發現沒,把quota 設定成0,這樣zxy就對錶空間zxy沒有操作許可權了喲
3,開始進行把zxy使用者(對應表空間zxy)遷移到part 使用者(對應表空間為part),輸入如下命令
[oracle@capitek3 ~]$ imp userid=zxy/system fromuser=zxy touser=part1 file=export_zxy.dmp log=imp_sex.log --切記:imp使用者必須要用system使用者或具有dba角色的使用者
Import: Release 10.2.0.1.0 - Production on Wed Mar 17 08:05:40 2010
Copyright (c) 1982, 2005, Oracle. All rights reserved.
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)
IMP-00007: must be a DBA to import objects to another user's account
IMP-00000: Import terminated unsuccessfully
[oracle@capitek3 ~]$ imp userid=system/system fromuser=zxy touser=part1 file=export_zxy.dmp log=imp_sex.log --記得新增log選項,這樣一旦出錯,便於你分析問題
Import: Release 10.2.0.1.0 - Production on Wed Mar 17 08:06:02 2010
Copyright (c) 1982, 2005, Oracle. All rights reserved.
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
Warning: the objects were exported by ZXY, not by you
import done in US7ASCII character set and AL16UTF16 NCHAR character set
import server uses WE8ISO8859P1 character set (possible charset conversion)
. importing ZXY's objects into PART1
. . importing table "MM" 0 rows imported
. . importing table "T1" 2097152 rows imported
Import terminated successfully without warnings.
[oracle@capitek3 ~]$ sqlplus part1/system --到遷移目標使用者進行查詢工作成果
SQL*Plus: Release 10.2.0.1.0 - Production on Wed Mar 17 08:06:25 2010
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
SQL> select * from tab;
TNAME TABTYPE CLUSTERID
------------------------------ ------- ----------
N1 TABLE
MM TABLE
T1 TABLE
SQL> select count(*) from t1;
COUNT(*)
----------
2097152
SQL>
大體分為如下幾步:
1,利用exp對zxy使用者進行邏輯資料匯出
[oracle@capitek3 ~]$ exp userid=zxy/system file=~/export_zxy.dmp statistics=none
Export: Release 10.2.0.1.0 - Production on Wed Mar 17 08:00:20 2010
Copyright (c) 1982, 2005, Oracle. All rights reserved.
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)
. exporting pre-schema procedural objects and actions
. exporting foreign function library names for user ZXY
. exporting PUBLIC type synonyms
. exporting private type synonyms
. exporting object type definitions for user ZXY
About to export ZXY's objects ...
. exporting database links
. exporting sequence numbers
. exporting cluster definitions
. about to export ZXY's tables via Conventional Path ...
. . exporting table MM 0 rows exported
. . exporting table T1 2097152 rows exported
. exporting synonyms
. exporting views
. exporting stored procedures
. exporting operators
. exporting referential integrity constraints
. exporting triggers
. exporting indextypes
. exporting bitmap, functional and extensible indexes
. exporting posttables actions
. exporting materialized views
. exporting snapshot logs
. exporting job queues
. exporting refresh groups and children
. exporting dimensions
. exporting post-schema procedural objects and actions
. exporting statistics
Export terminated successfully without warnings.
2,執行imp,準備把第1步匯出的資料遷移到另一個表空間part1,在在此之前,請進行如下準備工作,不然imp會把資料匯入原來的表空間喲
可分下面幾小步:
a,以sysdba進入資料庫,alter user zxy quota 0 on zxy;--quota表明是對錶空間的配額許可權,on所跟的zxy為表空間(也就是要遷移使用者所對應的原來表空間);大家發現沒,把quota 設定成0,這樣zxy就對錶空間zxy沒有操作許可權了喲
3,開始進行把zxy使用者(對應表空間zxy)遷移到part 使用者(對應表空間為part),輸入如下命令
[oracle@capitek3 ~]$ imp userid=zxy/system fromuser=zxy touser=part1 file=export_zxy.dmp log=imp_sex.log --切記:imp使用者必須要用system使用者或具有dba角色的使用者
Import: Release 10.2.0.1.0 - Production on Wed Mar 17 08:05:40 2010
Copyright (c) 1982, 2005, Oracle. All rights reserved.
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)
IMP-00007: must be a DBA to import objects to another user's account
IMP-00000: Import terminated unsuccessfully
[oracle@capitek3 ~]$ imp userid=system/system fromuser=zxy touser=part1 file=export_zxy.dmp log=imp_sex.log --記得新增log選項,這樣一旦出錯,便於你分析問題
Import: Release 10.2.0.1.0 - Production on Wed Mar 17 08:06:02 2010
Copyright (c) 1982, 2005, Oracle. All rights reserved.
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
Warning: the objects were exported by ZXY, not by you
import done in US7ASCII character set and AL16UTF16 NCHAR character set
import server uses WE8ISO8859P1 character set (possible charset conversion)
. importing ZXY's objects into PART1
. . importing table "MM" 0 rows imported
. . importing table "T1" 2097152 rows imported
Import terminated successfully without warnings.
[oracle@capitek3 ~]$ sqlplus part1/system --到遷移目標使用者進行查詢工作成果
SQL*Plus: Release 10.2.0.1.0 - Production on Wed Mar 17 08:06:25 2010
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
SQL> select * from tab;
TNAME TABTYPE CLUSTERID
------------------------------ ------- ----------
N1 TABLE
MM TABLE
T1 TABLE
SQL> select count(*) from t1;
COUNT(*)
----------
2097152
SQL>
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