How to Open the Standby Database When the Primary Is Lost
In critical scenarios where the Primary Oracle Database is lost or unrecoverable, and only the Standby Database remains, we must convert the…
How to Perform Tablespace-Level Export/Import Between Two Oracle Databases
🔹 Step 1: Create OS-Level Directories (Source & Target) On Source Server (192.168.10.165) sudo mkdir -p /u02/dpdump/practicesudo chown oracle:oinstall /u02/dpdump/practicesudo chmod 777…
How to Perform Tablespace-Level Export/Import Within the Same Oracle Database
Migrating a tablespace within the same Oracle DB instance can be useful for backup testing, development scenarios, or cloning environments. This step-by-step…
Test Network Latency Using ping -c 900 Command
The ping command is a go-to tool for checking network connectivity. When combined with the -c option, it becomes a great way…
Purge Unified Audit Trail in Oracle to Free Up SYSAUX Space
Oracle’s unified audit trail can silently consume significant space in the SYSAUX tablespace, especially when audit logs aren’t purged regularly. If you’re…
Oracle DB Shutdown Steps on Linux
Manually shutting down an Oracle database on Linux is a critical task for DBAs, often required during maintenance, patching, or system reboots.…
Top Network Ports Every IT Pro Should Remember
Network ports are like digital doorways used by applications to communicate over the internet or internal networks. Whether you’re managing servers, troubleshooting…
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…
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…
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…