If you’re encountering issues with your Oracle Pluggable Database (PDB) opening in restricted mode, you’re not alone.This situation can hinder your database operations, but fortunately, there are structured solutions to address it. In this article, we’ll walk you through the common causes and provide step-by-step instructions to resolve the ORA-01035 [...]
When working with Oracle Database, particularly in environments utilizing Pluggable Databases (PDBs), you may encounter the ORA-65177 error when trying to open a PDB. This article explains the common causes of this error and provides practical solutions to resolve it. Understanding ORA-65177 Error The ORA-65177 error typically occurs due to [...]
Efficient resource management is crucial in environments where multiple Oracle databases share the same hardware resources. Oracle Instance Caging is a feature that enables you to control CPU usage at the database instance level, ensuring that each database gets its fair share of CPU resources. In this guide, we will [...]
Maintaining a synchronized standby database is essential for disaster recovery and high availability in Oracle Database environments. A standby database acts as a replica of the primary database, ready to take over operations in case of failure, ensuring minimal downtime and data loss. In this comprehensive guide, we outline the [...]
In this comprehensive guide, we’ll walk you through the process of installing and configuring a two-node Oracle Real Application Clusters (RAC) environment using Oracle Database 21c on the latest version of Oracle Linux. We’ll cover everything from hardware requirements and kernel parameters to installing binaries and configuring Automatic Storage Management [...]
Efficiently managing large tables in Oracle Database is essential for maintaining optimal performance and ensuring smooth operations. One effective method to achieve this is through table partitioning. Traditional partitioning methods, however, often require significant downtime, which can disrupt business activities. In this guide, we’ll explore how to perform online table [...]
Oracle GoldenGate 19c Unidirectional Replication from Non-CDB to PDB: A Comprehensive Guide As businesses continue to grow and evolve, the need for efficient data replication and integration becomes increasingly important. One popular solution for achieving this is Oracle GoldenGate, a software tool that enables real-time data integration and replication across [...]
Oracle Data Guard is a powerful solution for achieving high availability, data protection, and disaster recovery in Oracle databases. In this article, we’ll delve into the architecture of Oracle Data Guard, with a focus on the relationship between primary and standby databases. By the end, you’ll understand how the components [...]
Oracle Data Guard Database Migration and Upgrade Best Practices Upgrading your database to a newer version can be a daunting task, especially when it comes to ensuring zero downtime and minimal data loss. Using Oracle Data Guard in conjunction with the AutoUpgrade tool can significantly simplify this process. In this [...]