DDL Commands in SQL Explained with Examples | Part 2
https://bit.ly/3Ff5Esb Want to master SQL? Understanding DDL (Data Definition Language) commands is the key to managing database structures efficiently! In this video, we break down essential DDL commands like CREATE, ALTER, DROP, and TRUNCATE, explaining their role in defining and modifying database schemas.
Timestamp ⏱️
00:00 - Intro
00:32 - Syntactical way How the database is created in SQL?
09:06 - Syntactical way How the Tables are created in SQL?
15:45 - What are the Different Data Types used in SQL?
37:44 - What are Constraints in SQL?
38:50 - Types of Constraints in SQL?
📌 What You’ll Learn:
1️⃣ What Are DDL Commands?
📌 Introduction to Data Definition Language (DDL) in SQL.
📌 How DDL commands help in structuring databases.
📌 Difference between DDL vs. DML vs. DQL.
2️⃣ Essential DDL Commands & Their Uses
📌 CREATE – Defining new tables and databases.
📌 ALTER – Modifying existing database structures.
📌 DROP – Removing tables or databases.
📌 TRUNCATE – Deleting data while keeping the structure intact.
3️⃣ Real-World Applications of DDL Commands
📌 Enterprise Data Management – Structuring business databases.
📌 E-commerce – Managing product catalogs dynamically.
📌 Finance & Banking – Creating and modifying financial transaction records.
📌 Healthcare – Handling large-scale patient record databases.
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📚 Recommended Resources for SQL & Databases:
📖 SQL for Data Analysis – Cathy Tanimura
A hands-on guide for using SQL in business intelligence.
📖 SQL in 10 Minutes, Sams Teach Yourself – Ben Forta
A quick beginner-friendly book for learning SQL basics.
📖 The Data Warehouse Toolkit – Ralph Kimball
Understand how databases are structured for analytics.
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