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EXP/IMP,CTAS,CP FILES,MV这些方法都可以考虑,但是关键的问题是,假如源数据库一直在线,怎么保证源和目标数据库的完全一致。比如:在迁移数据的过程中,源数据库中的数据发生改变。大家讨论。
exp/imp,ctas,cp files,mv,I think they are all operational,but how to keep the data of the source database and the data of the target database in consistency,for example,during moving data,the data of the source database changes ,
how to ?can yong huang help to answer the question?please |
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