DQL Data Query Language🔹 300 DQL Practice Questions (Topic-wise) 1️⃣ Basic SELECT & Projection → 30 Questions Display all employees. Show employee names and jobs. List distinct job titles. Display employee names and salaries with alias Employee_Name, Monthly_Salary. ...Sep 15, 2025·10 min read
API-Application Programming InterfaceWhat is an API? Definition: API stands for Application Programming Interface. It is a way for two applications to talk to each other and exchange data. Simple Example: Imagine a restaurant: You (the user) sit at the table. The menu is the avai...Sep 8, 2025·3 min read
TestingSDLC (Software Development Life Cycle) What is SDLC? Definition: SDLC is a structured process used to plan, develop, test, deploy, and maintain software efficiently. Purpose: To deliver high-quality software within time and budget. Focus: It prov...Sep 8, 2025·7 min read
Git & GitHubGit & GitHub Cheat Sheet – What, Why, When, How 1. Git Basics 1.1 git init What: Initializes a new local Git repository. Why: To start version control in a project. When: When creating a new project from scratch. How: git init 1.2 git clone ...Sep 8, 2025·7 min read