Oracle不同表空间之间的数据迁移
--将数据库为testdb，用户名为testuser中默认（users）表空间里的数据迁移至表空间(newtablespace) --1.用system用户登陆testdb数
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Oracle不同表空间之间的数据迁移
[日期：2013-01-29] 来源：Linux社区 作者：Linux [字体：]
--将数据库为testdb，用户名为testuser中默认（users）表空间里的数据迁移至表空间(newtablespace)
--1.用system用户登陆testdb数据库，创建directory（testdir）并将读、写权限授予testuser用户
create or replace directory testdir as 'e:\temp';
grant read, write on directory testdir to testuser;
--使用expdp命令导出testuser用户的数据
expdp system/aaaaaa@testdb directory=testdir dumpfile=testdb.dmp schemas=testuser;
--2.创建表空间newtablespace
create tablespace newtablespace
logging
datafile 'E:\Oracle\product\10.2.0\oradata\oa\newtablespace.dbf'
size 100m
autoextend on
next 200m maxsize 2048m
extent management local;
--3.将testuser的表空间修改为newtablespace
alter user testuser default tablespace newtablespace;
--4.将testuser用户下面的表、序列等删除
--5.导入数据
impdp system/aaaaaa@testdb directory=testdir dumpfile=testdb.dmp remap_tablespace=users:newtablespace
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