Step by Step Failover Datagurd

In
case of our bad situation with data guard primary database, or not available for
production than we can activated standby database as a primary production
database.

Step:1
Select
name,open_mode,database_role from v$database;

Step:2
alter
database recover managed standby database cancel;

Step:3
alter
database recover managed standby database finish;

Step:4
alter
database activate standby database;

Step:5
shutdown
immediate;

Step:6
Startup

Step:7

select
name,open_mode,database_role from v$database;
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