SQL Chapter 3 Data Types Explained Interview Prep Series

📘 *SQL Basics – Interview Prep | Chapter 3: Key SQL Concepts Explained* Welcome to Chapter 3 of our SQL Basics Interview Prep series! In this video, we cover essential SQL concepts that are commonly asked in interviews and critical for real-world database work. 🔍 *Topics Covered:* CHAR vs. VARCHAR: Key differences with examples DISTINCT: How to fetch only unique records LIMIT: Controlling result size for performance PRIMARY KEY & FOREIGN KEY: Ensuring data integrity WHERE Clause: Filtering your data efficiently GROUP BY & HAVING: Aggregating and filtering grouped data ORDER BY: Sorting results the right way SQL Aliases: Simplifying queries for clarity This chapter is packed with simple explanations and clear examples to help you master these core SQL topics. Perfect for beginners, job seekers, or anyone looking to strengthen their SQL foundation. 💡 Whether you're preparing for a data analyst, developer, or database admin interview, this video will give you the confidence to answer SQL questions with clarity! 📌 Don’t forget to check out Chapters 1 & 2 if you haven’t already and stay tuned for Chapter 4! 👍 Like | 🔔 Subscribe | 💬 Drop your SQL questions in the comments! #SQL #SQLInterviewPrep #DatabaseTutorial #LearnSQL #SQLForBeginners #SQLQueries #Chapter3