Convert physical standby to active data guard

-bash-3.2$ sqlplus / as sysdba

SQL*Plus: Release Production on Wed Aug 29 12:18:54 2012

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Connected to:
Oracle Database 11g Enterprise Edition Release – 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL> recover managed standby database cancel;
Media recovery complete.

SQL> alter database open read only;

Database altered.

SQL> alter database recover managed standby database disconnect
2 ;

Database altered.

Now your Database is ready with read time apply with read only mode.!!!!!!!

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