Altering Tables

Complete the interactive tutorial on modifying existing database table structures using ALTER TABLE statements.

Learning Objectives

• Master ALTER TABLE syntax for adding new columns
• Learn to specify data types and constraints for new columns
• Practice setting default values for existing and new rows
• Understand table modification best practices and database differences

Instructions

1. Click the link above to access the SQLBolt lesson
2. Read through the explanation of ALTER TABLE statements and column modifications
3. Complete all the interactive exercises adding new columns to existing tables
4. Practice writing queries to modify table structure while preserving existing data

What You'll Learn

This lesson covers the fundamentals of modifying existing database tables, teaching you how to add new columns with proper data types, constraints, and default values as your data requirements evolve.

Estimated Time: 15-20 minutes

Since this is an introductory exercise, you can mark this activity as complete once you've successfully written the required ALTER TABLE queries and understand how to modify existing table structures safely.