Convert standby DB to snapshot standby DB and Revert Back

Convert standby database to Snapshot database

1.       Shutdown immediate;

       2.       startup mount;

       3.       alter database recover managed standby database cancel;

       4.       select flashback_on from v$database;  --  Answer should be NO

       5.       alter database convert to snapshot standby;

6.       alter database open;

7.    select open_mode from v$database;

Convert  Back to Physical standby DB

1.   Shutdown immediate;

      2.     startup mount;

      3       alter database convert to physical standby;

      4.     Shutdown immediate;

      5.     startup mount;

      6.    select open_mode from v$database;

      7.     alter database recover managed standby database disconnect  from session;