SQL Foundations

Learn SQL and start working with real data.

This course introduces you to the fundamentals of SQL and how databases work in real-world applications. You will learn how to retrieve, filter, and organize data using structured queries — a critical skill for business, analytics, and tech roles.

What you’ll learn:
• How databases are structured (tables, rows, columns)
• Writing SQL queries (SELECT, WHERE, ORDER BY)
• Filtering and sorting data efficiently
• Understanding how data is stored and retrieved
• Real-world examples of database usage

SQL is used in almost every modern business system. By learning SQL, you gain the ability to work with data and make better decisions.