怎么将oracle数据导入db文件

2025-03-16 09:59:02
推荐回答(1个)
回答1:

Oracle数据导入导出imp/exp就相当于oracle数据还原与备份。exp命令可以把数据从远程数据库服务器导出到本地的dmp文件, imp命令可以把dmp文件从本地导入到远处的数据库服务器中。利用这个功能可以构建两个相同的数据库,一个用来测试,一个用来正式使用。下面介绍的是导入导出的实例。(注意:不用连接到SQL/plus,直接在DOS下就可以导出。)

数据导出:

1 将数据库TEST完全导出,用户名system 密码manager 导出到D:daochu.dmp中 exp system/manager@TEST file=d:daochu.dmp full=y

2 将数据库中system用户与sys用户的表导出 exp system/manager@TEST file=d:daochu.dmp owner=(system,sys)

3 将数据库中的表inner_notify、notify_staff_relat导出 exp aichannel/aichannel@TESTDB2 file= d:datanewsmgnt.dmp tables=(inner_notify,notify_staff_relat)

4 将数据库中的表table1中的字段filed1以"00"打头的数据导出exp system/manager@TEST file=d:daochu.dmp tables=(table1) query=" where filed1 like '00%'" 上面是常用的导出,对于压缩,既用winzip把dmp文件可以很好的压缩。 也可以在上面命令后面 加上 compress=y 来实现。

数据的导入:

1 将D:daochu.dmp 中的数据导入 TEST数据库中。 imp system/manager@TEST file=d:daochu.dmp imp aichannel/aichannel@HUST full=y file=d:datanewsmgnt.dmp ignore=y上面可能有点问题,因为有的表已经存在,然后它就报错,对该表就不进行导入。 在后面加上 ignore=y 就可以了

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