A Far Sync instance in Oracle Data Guard acts as a SYNC redo transport destination that facilitates zero data loss across long distances. By strategically placing the Far Sync instance at a metro distance from the primary database, it handles communication with a remote standby database located farther away. This setup ensures zero data loss […]
In Oracle Data Guard, the Observer process is a component of the Fast-Start Failover (FSFO) feature, which automates the failover process in a Data Guard configuration. The Observer continuously monitors both the primary and standby databases, ensuring high availability by automatically triggering a failover to the standby database if the primary database becomes unavailable. Here’s […]
Oracle 19c introduces a powerful new feature for Data Guard setups: the Automatic Flashback of Standby Database. This feature simplifies the process of flashing back a physical standby to a restore point from the primary by replicating restore points automatically. Prerequisites Steps 1. Check the Primary Database Configuration Run the following command on the Primary […]
Overview Oracle Database 19c introduces the capability to execute Data Manipulation Language (DML) operations directly on an Active Data Guard standby database. This feature allows applications to benefit from using Active Data Guard for standby operations that require occasional writes, seamlessly redirecting DML operations to the primary database. How DML Redirection Works: When a DML […]