Setup for the Environment ——————- Exadata X4-2 Quater Rack n Primary and Standby Site Grid Version : 12.1.0.2 DB Home…
Tag Failover
1) Query on old standby database (new primary) SQL> SELECT TO_CHAR(STANDBY_BECAME_PRIMARY_SCN) FROM V$DATABASE; TO_CHAR(STANDBY_BECAME_PRIMARY_SCN) —————————————- 12496643189 2) Flash back the…