Active Standby Database / Active Dataguard:

Active Standby Database / Active Dataguard:

open read-only and apply the logs at the same time.

recover managed standby database using current logfile disconnect;

SQL> select open_mode from V$database ; OPEN_MODE ————————– READ ONLY WITH APPLY

REAL TIME APPLY:

1. For a realtime apply we need standby redo logs.

2. Log writer is writing to the online redo logs.

3. Log writer network service (LNS) (can have multiple LNSn), will write to the remote file system process.