Tuesday, 28 May 2024

New in Oracle 21c: How to Use INCLUDE and EXCLUDE Together in Data Pump

 Oracle Database 21c brings an exciting new feature to Data Pump: the ability to use both INCLUDE and EXCLUDE parameters in the same command. This enhancement provides more granular control over which objects are included or excluded during export and import operations.


Monday, 27 May 2024

Optimizing Oracle Streams Performance: Addressing Slow Goldengate Integrated Replicat Apply Process

 In high-transaction environments, Oracle Streams can face performance bottlenecks, particularly with the sys.streams$_apply_progress segment growing unpredictably. To maintain efficient replication, it's crucial to periodically check and reorganize this segment. This blog post details a method to perform an offline reorganization of the STREAMS$_APPLY_PROGRESS table, helping ensure smoother and faster replication processes.


Sunday, 26 May 2024

Enhancing Oracle SGA Security: A Guide for DBAs

Managing SGA Access via OS User group

In Oracle databases, securing the System Global Area (SGA) has become more robust, especially with recent updates after version 12. By default, only the Oracle software installation owner can read and write to the SGA. This enhancement significantly boosts security compared to previous configurations. Let's dive into the key changes and why they matter.


Behind the Scenes of COMMIT in Oracle: A Peek Under the Hood

 Ever wondered what really happens when you hit the COMMIT button in Oracle?

Step-by-step Guide to COMMIT



Troubleshooting Invalid Username/Password Errors During Switchover and Failover with Oracle 12C Broker

 As a database administrator, one of the issues you can encounter during a switchover or failover is the dreaded "invalid username/password" error. I recently faced this issue while working with Oracle 12C Broker and, after much investigation, discovered the root cause. Let me walk you through my experience and how I resolved it.


Sunday, 19 May 2024

Guarding Your Data: Unveiling the Secrets of Data Guard Redo Transport Encryption

  Get ready to dive into the world of Data Guard Redo Transport Encryption in Oracle – it's encryption galore! From securing the journey between primary and far sync instances to ensuring standby databases stay protected, we're about to encrypt our way to peace of mind.


Friday, 10 May 2024

Understanding RMAN-08137 Warning and log_archive_dest_state_2 Reset: Investigating an Unusual Scenario

    

SCOPE

The article covers possible solutions to resolve warnings that appear in RMAN backups due to incorrect database configurations. Continuing from my previous post on RMAN backup failure warnings, I am now addressing another situation.