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 [...]
When dealing with Oracle databases, administrators often encounter various error codes, and one of the more frustrating ones is the ORA-24247 error. This error typically occurs when there is an issue with the Oracle XML DB repository or with the Oracle Database registry. In this article, we will delve into [...]
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 [...]
In this guide, we’ll explore how to encrypt the communication between primary and standby databases in an Oracle Data Guard environment spread across different data centers. The focus is on encrypting only the Data Guard traffic without affecting other sessions like applications or regular user connections. Table of Contents Introduction [...]
Understanding and optimizing database performance is crucial for any Oracle database administrator. The Automatic Workload Repository (AWR) serves as an invaluable tool in this endeavor. By collecting and analyzing performance metrics, AWR enables administrators to identify bottlenecks and enhance system efficiency. In this comprehensive guide, we will delve into the [...]
When it comes to troubleshooting and debugging issues in Unix-like systems, the tfactl command can be a valuable tool. However, as with any tool, it is not immune to issues and failures. Recently, it was discovered that tfactl fails on Solaris systems when using the df command. In this article, [...]