Oracle Streams and impdp?
Hi, I am not a DBA or anything close :)... in a project that I'm getting, there are 2 or more prod servers that are connectedthrough flow for bi directional data replication. Now, we must develop a back/restore mechanism using scripts. The back of the scripts take the dump using expdp of a schema and the restore script use impdp to apply it. Is there any where I can apply using impdp to a database and the flow will apply to all other databases. I tried Googling, yahooing, everything, but to no avail. We use also dataguard and his strange for me, dataguard applies the changes on the day before, each time I have doing an impdp on the primary database.
Maybe that is wrong my understanding in streams...
Any help is greately appreciated.
Thank you
Renjith
Renjith,
Answering your question:
Yes, if all databases are configured with the replication stream. An example of only 2 databases A and B when you set up replication Streams from A to B, here if you perform impdp for a schema (which is configured for replication) database so all changes made by the impdp will be replicated on database B.
If you have configured bidirectional replication between 2 or more databases (can be n star) then the impdp changes must be replicated to all other databases.
However, you can see that replication does not occur after performing impdp, then you must apply the hotfix for the bug: 5220845>. This bug is fixed on 10.2.0.4 group of hotfixes (also in 11.1.0.6-> background 11g Release) and more. If you run a group of fixes lower than that (like 10.2.0.3) then apply the single patch for this bug. Take a look at the following note on metalink:
Thank you
Florent
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