Furthermore, active duplicate copies data only until the last archived log file in the source database. ![]() One has to rely on the backup-based database duplication method if one wants to create a duplicate database until a specific point in time ( a specific time, log sequence or SCN). Incomplete recovery NOT possible (no SET UNTIL) – Active Database Duplication cannot be used to duplicate a database until a point in time.There will be performance overheads in the Primary Database.When cloning there will be more I/O’s in the Primary Database.Instant Database Clones possible (On Demand Cloning).It can be performed in NoCatalog mode itself.No outage or downtime required for the Primary Database.RMAN directly reads the data from the database using PRIMARY database CONTROLFILE. But RMAN Active duplication feature allows a database to be duplicated directly from its live source database instead of using its backup. ![]() ![]() ![]() It is a new feature in Oracle 11g where cloning is done from one database to another database without any outage or downtime of the primary database.Įarlier we use to clone the database using cold back or rman backup.
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