1. Primary Database Preparation Ensure the primary database is configured for Data Guard. Check Database Mode SELECT log_mode FROM v$database; Database must be in ARCHIVELOG mode. If not: shutdown immediate;startup mount;alter database archivelog;alter database open; Enable FORCE LOGGING Ensures all operations generate redo. ALTER DATABASE FORCE LOGGING; Verify: SELECT force_logging FROM v$database; Create Standby Redo […]
When building a physical standby database in Oracle Database using Oracle Data Guard, the initialization parameter file (initSTBYDB.ora) defines how the standby database identifies itself and communicates with the primary database.Each parameter orchestrates redo transport, recovery, and file management. Below is a clear explanation of each parameter in your configuration. 1. DB_NAME=PRIMDB Purpose This parameter […]
A standby database is a transactionally consistent copy of the production database. It enables the production Oracle database to survive disasters and data corruption. When the production database becomes unavailable due to a planned or unplanned outage, Data Guard can promote a standby database to the primary role, minimizing downtime. In addition, performance of the […]
In this article, we will see how to convert an existing Physical Standby Database into an Active Data Guard configuration in Oracle 19c. The read-only physical standby database can be used to offload reporting and query workloads from the primary database. Users can execute SELECT statements and complex analytical queries on the standby, thereby reducing […]