How To Create a Control File for the Standby Database

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On the primary database, create the control file for the standby database, as shown in the following example:


SQL> ALTER DATABASE CREATE STANDBY CONTROLFILE AS '/tmp/stby.ctl';


Note:
You cannot use a single control file for both the primary and standby databases.
The filename for the newly created standby control file must be different from the filename of the current control file of the primary database. 
The control file must also be created after the last time stamp for the backup datafiles.


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