Basics of SQL: Query Data with Confidence

You don’t need to be a developer to speak the language of data.

Every business runs on data — and SQL is the key that unlocks it. Whether you’re an analyst trying to pull reports faster, a professional tired of waiting on the IT team, or a student stepping into the world of data for the first time, this course was built for you.

No coding background. No technical degree. No problem.

What You Will Achieve

By the end of this course, you will be able to open a database, ask it real questions, and get real answers — all on your own. You’ll move from “I don’t even know where to start” to confidently writing queries that filter, sort, group, and summarise data from multiple tables.

This isn’t a course about memorising syntax. It’s about building a skill you will use every single week of your professional life.

What You Will Learn

• Set up MySQL and MySQL Workbench from scratch — step by step
• Understand how databases and tables are structured
• Write SELECT queries to retrieve exactly the data you need
• Filter data using WHERE, AND, OR, NOT, LIKE, IN, and BETWEEN
• Sort and paginate results with ORDER BY, LIMIT, and OFFSET
• Summarise data using COUNT, SUM, AVG, MIN, and MAX
• Group and analyse data with GROUP BY and HAVING
• Connect multiple tables using INNER JOIN and LEFT JOIN
• Add, update, and delete records safely
• Use built-in functions for text, numbers, dates, and conditional logic
• Write clean, readable, professional SQL from day one