Docker Multi-Stage Builds Explained
Build Smaller, Faster, and More Secure Docker Images What is a Multi-Stage Build? Imagine you’re baking a cake. You need […]
DevOps
DevOps
Build a container image using Docker without a Dockerfile
This approach is useful for learning, debugging, or quick experimentation, though Dockerfiles are recommended for production. Prerequisites Check Docker: docker
Oracle SQL
Oracle SQL Practical Assignment- Practice for DDL and DML Commands
Practice for DDL and DML Commands Objective This assignment will help you practice and master: DDL (Data Definition Language) DML
Oracle DBA
Oracle User Limits on Linux
If kernel parameters define how big the room is, user limits define how freely Oracle can move inside it. Introduction
Oracle DBA
Linux Kernel Parameters for Oracle Database 19c
Introduction Oracle Database is not just an application — it is a resource-intensive system that relies heavily on the operating
Oracle SQL
Oracle PL/SQL Triggers – Part 2
Mutating Table Error (ORA-04091) What is a Mutating Table? A mutating table is a table that is: Oracle raises: Why
Oracle SQL
Oracle PL/SQL Triggers – Part 1
Introduction In real-world database systems, data rarely lives in isolation. Every insert, update, or delete often needs validation, auditing, enforcement
Oracle SQL
Oracle PL/SQL Packages
Introduction Oracle PL/SQL Packages are one of the most powerful and widely used features in Oracle Database programming. If you
Oracle SQL
50+ Real-World Questions on Procedures, Functions, Cursors & Exception Handling
If you’re learning Oracle PL/SQL and want hands-on confidence for interviews, projects, or production work, practicing with the HR schema
Oracle SQL
Handling Exceptions in Oracle PL/SQL
Exception handling is a critical part of Oracle PL/SQL programming. In real-world database applications, runtime errors are inevitable—missing data, invalid