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24 Sep 2009 Synopsis. Data Guard's capability to recover a mission-critical database upon the loss of the entire production site is at the heart of Oracle 11g's An Oracle database operates in one of two roles: primary or standby. Data Guard helps you change the role of a database using either a switchover or a failover:. 28 Jun 2014 Verify that the SWITCHOVER has successfully completed. Note that standby1 is now the primary database 9 Jul 2011 SQL>alter database commit to switchover to physical standby with SQL> alter database register physical logfile '/oracle/ora11g/dbs/arch/Data Guard is the name for Oracle's standby database solution, used for Database Switchover; Failover; Flashback Database; Read-Only Standby and Active 2 Jul 2009 Recently, I tested a switchover on Oracle 11g SE1. As you know, Oracle Database Standard Edition One—as well as Standard Edition—does 6 Refresh and Switchover to the Physical Standby Oracle Database · Steps to Refresh a Physical Standby Database with Changes Made to the Primary 5 Refresh and Switchover to the Physical Standby Oracle Database · Steps to Refresh Verify that the target standby database is ready for switchover. The new Enable fast-start failover to fail over automatically when the primary database becomes unavailable. When fast-start failover is enabled, the Data Guard broker