Setup active dataguard using dgmgrl

1. Set apply off

DGMGRL> edit database 'DBAPLC' set state=apply-off;
Succeeded.
DGMGRL> show database 'DBAPLC'

Database - DBAPLC

  Role:            PHYSICAL STANDBY
  Intended State:  APPLY-OFF
  Transport Lag:   0 seconds
  Apply Lag:       0 seconds
  Real Time Query: OFF
  Instance(s):
    DBAPLC

Database Status:
SUCCESS

2. Open Standby database

SQL> alter database open;

Database altered.

3. Set apply on

DGMGRL> edit database 'DBAPLC' set state=apply-on;
Succeeded.
DGMGRL> show database 'DBAPLC'

Database - DBAPLC

  Role:            PHYSICAL STANDBY
  Intended State:  APPLY-ON
  Transport Lag:   0 seconds
  Apply Lag:       0 seconds
  Real Time Query: ON
  Instance(s):
    DBAPLC

Database Status:
SUCCESS