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…
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…
How to Fix “NtCreateFile(\Device\VBoxDrvStub) Failed” Error in VirtualBox 7.1.6 on Windows
Encountering the NtCreateFile(\Device\VBoxDrvStub) failed: 0xc0000034 error while creating a virtual machine in VirtualBox can be frustrating. This issue is commonly related to…
How to Assign a Dedicated Temporary Tablespace to a User in Oracle
In Oracle databases, every user requires a temporary tablespace for sorting and other temporary operations. By default, users are assigned the default…
DBMS_SHARED_POOL.PURGE Not Working? Here’s the Fix
The DBMS_SHARED_POOL.PURGE procedure is commonly used to remove specific cursors from the SQL area, but in many cases, it doesn’t work as…
How to Connect to Oracle Database Using SQL*Plus
SQL*Plus is a command-line tool used to interact with Oracle databases. This guide covers all possible ways to connect using sqlplus, along…
Oracle ACID Properties Explained with Examples
Databases play a crucial role in ensuring data consistency and reliability, and Oracle follows the ACID properties to maintain these standards. ACID…
Revoke All Privileges from a User in Oracle
Granting excessive privileges to a user can pose security risks. If a user has been mistakenly granted too many privileges, it is…
How to Grant All Privileges to a User in Oracle
In Oracle, granting “all privileges” to a user means giving them full access to system privileges or object privileges. Let’s break it…
Linux Commands Cheat Sheet: A Quick Reference Guide
Mastering Linux starts with knowing the right commands. This Linux Commands Cheat Sheet is your go-to guide, offering quick access to essential…