Oracle DB Startup Steps on Linux
Starting an Oracle database manually requires a good understanding of your Oracle environment. You need at least two essential details: In this guide, we’ll…
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323 articles
Troubleshooting Inter-Node Network Issues in Oracle RAC
When working with Oracle Real Application Clusters (RAC), reliable network connectivity between nodes is critical. If communication between nodes becomes unstable or fails, one…
What is SET TIME ON and SET TIMING ON in Oracle?
When you work with Oracle databases using SQL*Plus, SQLcl, or even tools like SQL Developer, you often need to track when your queries run…
How to Copy Data from Prod to Test via DB Link
This guide helps you copy data from a table owned by another user in the production database into your own schema in the test…
Get Oracle User Privileges: App, Custom, Default & All Users
Need to audit user privileges in your Oracle database? Whether you’re checking for app users, filtering out Oracle default accounts, or reviewing everything —…
How to Use Oracle SQL Developer Extension in VS Code
What is Oracle SQL Developer? Oracle SQL Developer is a popular tool for working with Oracle databases. It helps developers and DBAs run queries,…
How to Remove a Cached SQL Execution Plan in Oracle
A cursor cache is a stored execution plan of a SQL statement in memory. Oracle reuses it to improve performance. However, sometimes we need…
Oracle Manual DB Switchover: Primary to Standby with DGMGRL
A switchover in Oracle Data Guard is a planned role reversal between the primary and standby databases, ensuring minimal downtime. This guide provides a…
How to Download and Install Oracle 19c on Oracle Linux 8.10 (x86_64) in VirtualBox VM
Learn how to download and install Oracle 19c on Oracle Linux 8.10 (x86_64) in a VirtualBox VM with this step-by-step guide. This tutorial covers…
How to Install Oracle 19c on Amazon Linux 2 (2025) | Step-by-Step Guide
In this guide, we provide a step-by-step process to install Oracle 19c on Amazon Linux 2 using the GUI-based installer. You’ll learn how to…
How to Access Your Virtual Machine on VirtualBox Using MobaXterm
If you’re running a Linux-based Virtual Machine (VM) on VirtualBox and want to connect using MobaXterm, you might face network issues. By default, VirtualBox…
Automate Oracle DBA Login with a Custom Alias on Linux
Managing Oracle databases on an Amazon Linux 2 EC2 instance often requires switching users and setting environment variables before running SQL*Plus. This guide will…