最近使用oracle导入导出数据时,遇到了不少的麻烦!遂对oracle数据库进行了认真的学习,总结了几种导入导出的命令方法,以备以后
最近使用Oracle导入导出数据时,遇到了不少的麻烦!遂对oracle数据库进行了认真的学习,总结了几种导入导出的命令方法,以备以后查阅。
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:/data/newsmgnt.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=file= d:/data/newsmgnt.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。
2 、将d:/daochu.dmp中的表table1 导入
imp system/manager@test file=d:/daochu.dmp tables=(table1)
基本上上面的导入导出够用了。不少情况要先是将表彻底删除,然后导入。
注意: 操作者要有足够的权限,权限不够它会提示。 数据库时可以连上的。可以用tnsping test 来获得数据库test能否连上。
以上记载,只是oracle数据导入导出的最基本方法,在实际应用中会有各种因素影响导入导出的结果,所以要灵活运用这些最基本的命令,但也要统筹整个oracle运行的环境来考虑问题。

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