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License requirements for standby/failover Oracle servers

Many Oracle shops are now using Oracle replication tools (Oracle Streams, standby database, data guard, multi-master replication) to create a standby Oracle server as protection against hardware failure.

However, many Oracle shops forget that all “hot” standby servers (where you use the standby server for Oracle transactions)  may require an Oracle license.


Oracle standby servers need to be fully licensed if they are “hot standby” servers that can be used for production SQL queries.  Some sources say that cold standby servers used less than 10 days per year do not need to be licensed, but you should verify this with your Oracle representative or the Oracle Store, as Oracle license policies change frequently.


For an August 2005 literature survey of Oracle license policies, see this link.


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Note: This Oracle documentation was created as a support and Oracle training reference for use by our DBA performance tuning consulting professionals.  Feel free to ask questions on our Oracle forum.

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