Oracle Data Guard Evolution from 8i
ORACLE 8i
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* Read-Only Standby Database
* Managed recovery
* Remote archiving redo log files
ORALCE 9i
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* “Zero Data Loss” Integration
* Data Guard Broker and Data Guard Manager GUI
* Swithcover and Failover operations
* Automatical synchronous
* Logical Standby Database
* Maximum Protection
ORACLE 10g
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* Real-Time Apply
* Fast-Start Failover
* Asynchronous redo transfer
* Flashback Database
ORACLE 11g
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* Active Standby Database (Active Data Guard)
* Snapshot Standby
* Heterogeneous platform support (Production –Linux, Standby – Windows)
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