MySQL Data Types Explained | INT, VARCHAR, DATE, JSON & Best Practices (Complete Guide)
📊 MySQL Data Types — Complete Guide (Beginner to Advanced)
Choosing the right data type is one of the most important skills of a database architect. In this definitive MySQL guide, you’ll learn how to select the perfect data type for performance, storage efficiency, and long-term data integrity.
📌 What you’ll learn in this video:
✅ Integer Types — TINYINT, INT, BIGINT (when and why to use each)
✅ Decimal & Floating Types — DECIMAL vs FLOAT vs DOUBLE
✅ String Types — CHAR, VARCHAR, TEXT (common mistakes explained)
✅ Date & Time Types — DATE, DATETIME, TIMESTAMP (timezone & storage tips)
✅ Boolean & Enum Types — when they help and when they hurt
✅ Modern MySQL Types — JSON & Spatial data types
✅ Real-world examples and pro-level best practices
✅ Common pitfalls that cause slow queries and wasted storage
📘 Study Notes:
👉 https://www.bmreducation.com/video/wa...
🧠 Test Your Knowledge:
👉 https://www.bmreducation.com/test-you...
This video is perfect for:
🎯 Backend developers
🎯 Computer science students
🎯 Full-stack developers
🎯 SQL interview preparation
🎯 Anyone learning MySQL seriously
💡 By the end, you’ll think like a database designer, not just a SQL user.
👍 If this helped you, Like, Share, and Subscribe for more MySQL, backend, and system-design content!
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