Скачать или смотреть SQL Data Types Explained in 20 Minutes (With Real Practical Examples!)

In this lesson, we break down one of the most important fundamentals in SQL: data types.
Before creating any database or table, you MUST understand data types—because they define what kind of information your table can store.

In this step-by-step tutorial, you’ll learn:
✅ What SQL data types are
✅ Why they matter when designing databases
✅ Real-life examples that make data types easy to understand
✅ Most common SQL data types used in MySQL, SQL Server & PostgreSQL
✅ How to choose the correct data type for your project
✅ A full practical demo using all essential data types in a table

Whether you're a beginner or refreshing your SQL skills, this lesson will help you avoid mistakes and build clean, optimized, and professional databases.

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⏱️ Timestamps:

00:00:00 Introduction
00:03:13 What are data types in SQL?
00:04:36 Real-life Example
00:06:09 Importance of Data Types in SQL
00:09:15 Most Important & Common SQL Data Types
00:11:43 String Data Types
00:14:21 Date & Time Data Types
00:15:00 Boolean Data Types
00:15:31 How To Choose The Right Data Type
00:16:41 Using All Data Types in Table – Practical
00:19:40 Ending (Make Sure to Subscribe)

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