Issue: We found standby log was not applying in standby database and the difference count was keep increasing. Media recover process also not starting up. Cause: Upon receiving such alert that [...]

While activating the config in SOURCE, received below error in event_log   Warning  2020-01-12 01:13:51.386794 24843 2012734928 Activation: 13007 – No unique keys or primary key for [...]

Posted by Sundaravel Ramasubbu Introduction : In this session we will see How to set up Data Guard Broker. NOTE: Environment in my case Prerequisite Check DG_BROKER_START parameter on Primary and [...]

Renaming UNNAMED datafile(s) to standby database If parameter STANDBY_FILE_MANAGEMENT is set to MANUAL in Oracle standby database you may getthis error when rolling forward: Media Recovery Log [...]