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Oracle expdp/impdp工具使用

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Release: 2016-06-07 17:18:25
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1.EXP和IMP是客户段工具程序, EXPDP和IMPDP是服务端的工具程序2.EXP和IMP效率比较低. EXPDP和IMPDP效率高3.数据泵功能强大并行、

Oracle数据泵

一、数据泵的作用:

1.实现逻辑备份和逻辑恢复

2.在数据库用户之间移动对象

3.在数据库之间移动对象

4.实现表空间转移

二 、数据泵的特点与传统导出导入的区别

1.EXP和IMP是客户段工具程序, EXPDP和IMPDP是服务端的工具程序

2.EXP和IMP效率比较低. EXPDP和IMPDP效率高

3.数据泵功能强大并行、过滤、转换、压缩、加密、交互等等

4.数据泵不支持9i以前版本, EXP/IMP短期内还是比较适用

5.同exp/imp数据泵导出包括导出表,导出方案,导出表空间,导出数据库4种方式.

三、DATA PUMP的体系结构:

linux

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