Types of SQL| constraints in SQL| NOT NULL | Primary key | DDL vs DML

Title: Understanding SQL Types and Constraints | Comprehensive Guide

Description:

In this video, we’ll explore the different types of SQL commands—DDL, DML, DCL, and TCL—and dive into the essential constraints you can apply to ensure data integrity in your databases. Whether you’re a beginner or brushing up on your SQL skills, this tutorial will help you understand:

• SQL Types: Learn about Data Definition Language (DDL), Data Manipulation Language (DML), Data Control Language (DCL), and Transaction Control Language (TCL).
• Constraints: Discover how to use constraints like PRIMARY KEY, FOREIGN KEY, UNIQUE, NOT NULL, CHECK, and DEFAULT to enforce rules on your data.

By the end of this session, you’ll have a solid grasp of the fundamental concepts that make SQL a powerful tool for managing and structuring databases.

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#SQL #Database #SQLTutorial #DataIntegrity #Constraints #WebDevelopment #Coding #DatabaseManagement #LearnSQL #Programming