導出表空間

第一 以DBA的權限登錄

第二 檢查表空間是否自我包容，檢查結果將被放到視圖transport_set_violations

SQL> execute dbms_tts.transport_set_check('USERS',TRUE);

第三 查詢視圖

SQL> select * from transport_set_violations;

no rows selected

如果查詢結果為0，說明表空間是自我包容的

第四 把要被導出的表空間設置成只讀

SQL> alter tablespace users read only;

第五 導出表空間(transport_tablespace=y 表示啟用表空間導出,但是無法導出數據，所以要想導出數據就不要添加該參數 constraints=y 表示導出約束)

C:\Documents and Settings\Administrator> exp 'sys/admin as sysdba'? tablespaces=users file=D:\Oracle\ffdata\newtabsp.dmp constraints=y

Export: Release 11.2.0.1.0 - Production on 星期三 2月 22 19:33:55 2012

Copyright (c) 1982, 2009, Oracle and/or its affiliates.? All rights reserved.

連接到: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production

With the Partitioning, OLAP, Data Mining and Real Application Testing options

已導出 ZHS16GBK 字符集和 AL16UTF16 NCHAR 字符集

服務器使用 AL32UTF8 字符集 (可能的字符集轉換)

注: 將不導出表數據 (行)

即將導出可傳輸的表空間元數據...

對于表空間 USERS...

. 正在導出簇定義

. 正在導出表定義

. . 正在導出表??????????????????????????? DEPT

EXP-00091: 正在導出有問題的統計信息。

說明：當導出統計信息的時候，如果客戶端字符集和服務器端字符集不匹配，就會產生這種，解決辦法如下：

首先：查看服務器端字符集

SQL> select * from v$nls_parameters where parameter=

2? 'NLS_CHARACTERSET';

PARAMETER???????? VALUE

-------------???? ---------------------------------------

NLS_CHARACTERSET? AL32UTF8

其次：設置客戶端字符集，使之與服務器端字符集匹配EX

C:\Documents and Settings\Administrator>SET NLS_LANG=AMERICAN_AMERICA.AL32UTF8

再次進行導出

C:\Documents C:\Documents and Settings\Administrator> exp 'sys/admin as sysdba' transport_tab

lespace=y tablespaces=users file=D:\Oracle\ffdata\newtabsp.dmp constraints=y

Export: Release 11.2.0.1.0 - Production on Wed Feb 22 19:41:46 2012

Copyright (c) 1982, 2009, Oracle and/or its affiliates.? All rights reserved.

Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Produc

tion

With the Partitioning, OLAP, Data Mining and Real Application Testing options

Export done in AL32UTF8 character set and AL16UTF16 NCHAR character set

Note: table data (rows) will not be exported

About to export transportable tablespace metadata...

For tablespace USERS ...

. exporting cluster definitions

. exporting table definitions

. . exporting table?????????????????????????? DEPT

. . exporting table??????????????????????????? EMP

. . exporting table?????????????????????? SALGRADE

. . exporting table????????????????? PURCHASEORDER

. . exporting table???????????????? CATEGORIES_TAB

. . exporting table?????????????????????? SID_INFO

. . exporting table?????????????????? QUALITY_INFO

. . exporting table???????????????????? CALL_DIREC

. . exporting table????????????????????? PARA_DATA

. . exporting table????????????????????? PARA_INFO

. . exporting table??????????????????? PARA_DETAIL

. . exporting table??????????????????? SIGNAL_INFO

. . exporting table??????????????????????? APP_VER

. . exporting table???????????????????? PHONE_DATA

. . exporting table?????????????????????? USERINFO

. . exporting table?????????????????????? ROLEINFO

. . exporting table???????????????????????? REGION

. . exporting table????????????????????? BASE_CELL

. . exporting table?????????????????????? COMP_SUG

. exporting referential integrity constraints

. exporting triggers

. end transportable tablespace metadata export

Export terminated successfully without warnings.

第六 恢復數據庫表空間可讀寫

SQL> alter tablespace users read write;

Tablespace altered.

總結

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