🗄️DatabaseEN

Introduction to SQL

Learn SQL from the ground up. Master querying, filtering, aggregation, joins, and database design through hands-on lessons.

10 lessons

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Lessons

Setting Up Your Environment

Your First SELECT Query

Filtering with WHERE

Sorting with ORDER BY

Aggregating with GROUP BY

Joining Tables with JOIN

Modifying Data: INSERT, UPDATE, DELETE

Creating and Altering Tables

Indexes and Performance Basics