How to Check Resource Limits and Utilization History in Oracle
Introduction Monitoring resource limits and utilization history is crucial for maintaining an Oracle database. By analyzing current usage and historical data, you…
What is UNDO_RETENTION: How It Works and Why It Matter
The UNDO_RETENTION parameter in Oracle is an important setting that determines how long undo data (old versions of modified data) should be…
Oracle Data Guard: Features, Configuration & Best Practices
Oracle Data Guard is a powerful feature for database high availability, disaster recovery, and data protection. This guide provides a detailed walkthrough…
Start and Stop MRP in Oracle Data Guard
In Oracle Data Guard, the Managed Recovery Process (MRP) is essential for maintaining the synchronization of a standby database with the primary…
Managing Database Links in Oracle: A Step-by-Step Guide
This guide walks you through creating, managing, and deleting database links (DBlinks) in Oracle. Database links enable connectivity between Oracle databases, allowing…
Why Google Offers Free 15GB Storage on Google Photos
In an era where storage space on smartphones, computers, and cloud services comes at a price, Google’s offer of free storage on…
Google Maps: How It Works and Why It’s Accurate
Google Maps is one of the most widely used applications in the world. Whether you’re using it to navigate through a busy…
Resolving RMAN-06617 Error in RMAN Duplicate Command
When duplicating a database using Oracle Recovery Manager (RMAN), you might encounter this error: RMAN-06617: UNTIL TIME (01/13/2025 16:20:04) is ahead of…
How to Fix ORA-01017: invalid username/password; logon denied
When you’re working with Oracle Recovery Manager (RMAN) and encounter the error: you may immediately assume that it’s an issue with the…
How to Resolve In-Doubt 2PC Transactions in Oracle Database
In a distributed transaction system, databases perform Data Manipulation Language (DML) operations across multiple databases. This complexity arises from the need to…