SQL Tutorial | #5: SQL ALTER TABLE - ADD COLUMN, DROP COLUMN, MODIFY COLUMN, ADD and DROP CONSTRAINT
Welcome to the fifth video in our SQL Tutorial Series! In this video, we’ll cover the powerful ALTER TABLE command, which allows you to modify the structure of existing tables in MySQL. You’ll learn how to add, drop, and modify columns, as well as add and remove constraints like primary keys and foreign keys.
📌 What You Will Learn:
How to add new columns using ALTER TABLE ADD COLUMN
Dropping columns with ALTER TABLE DROP COLUMN
Modifying existing columns with ALTER TABLE MODIFY and CHANGE COLUMN
Adding constraints like primary keys, foreign keys, and unique constraints
Removing constraints using DROP CONSTRAINT
🎯 Who Should Watch:
Beginners learning SQL table management
Developers working with complex database schemas
Anyone looking to master table modifications and constraints in MySQL
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