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Data Guard related important points or observed points.

June 5, 2012

1) when DG is setup between two databases, we can start/shutdown any database with out any problem. No impact will be there.

2) When we switchover to standby using following command, Current primary will be down implicitly using abort option.

ALTER DATABASE COMMIT TO SWITCHOVER TO STANDBY;

3) When we switchover to primary using following command, Current current will be brought down to mount stage implicitly.

ALTER DATABASE COMMIT TO SWITCHOVER TO PRIMARY;

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