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I just want to know role of oracle downstream mining database machine in OGG downstream integrated capture mode. To be specific, I want to know whether the mining db also stores data or it only process the archive logs received from source and forward processed data to target without storing?

For example, if I have 1000 tables having size of 15TB in source system and I just want to replicate one table having size 1MB to the target, whether all the 1000 table having size of 15TB need to exist in downstream mining db, or none of the 1000 tables need to be exists in downstream mining DB, or only the interested table having size 1MB need to be exists in downstream mining DB.

Thanks

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缺少在此处添加评论的要点。

日志挖掘服务器上不需要源表或数据文件。只有重做或存档日志从源数据库传送/传输到日志挖掘服务器。

于 2018-11-10T07:55:47.853 回答