SQL Data Analysis Course — From Zero to Professional
SQL is the language databases speak, and a core skill in almost every data role. In this interactive course you learn how to turn business questions into precise queries that return immediate answers. You start by understanding table structure and progress to advanced queries and joining multiple sources — all through practical examples the AI tutor corrects for you in the moment. You finish able to pull any piece of information out of a database and analyse it with confidence.
What you'll learn
- Database structure, tables and relationships
- SELECT queries, filtering and sorting
- Joining tables with every type of JOIN
- Aggregation and statistical functions (GROUP BY)
- Subqueries and advanced query patterns
- Query performance tuning and best practices
Who this course is for
Data analysts, business staff who work with data, junior developers, and anyone who wants to make decisions grounded in data.
What you'll achieve
By the end you write complex SQL queries with confidence, extract and analyse data from any database, and turn business questions into precise answers.
Frequently asked questions
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