Oracle Database Memory Architecture in 19c over 12c

The following are some of the key enhancements to the Oracle Database memory architecture in 19c over 12c: In addition to these specific enhancements, Oracle Database 19c also includes a number of general improvements to the memory management architecture. For example, the database now uses a more efficient memory allocation algorithm and improved memory reclamation […]

How to run Observer Process as a Background Process

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 […]

Automatic Flashback of Standby Database

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 […]

Using ADDM for Pluggable Databases in Oracle 19c

Oracle Database 19c introduced a powerful feature for multitenant environments: the ability to run Automatic Database Diagnostic Monitor (ADDM) analysis on individual pluggable databases (PDBs). With ADDM analysis at the PDB level, administrators can now focus on specific performance issues within a single PDB, making it easier to tune and optimize performance in a multitenant […]