Write useful SQL from your first lesson.
Build a reliable mental model for relational data, then use SELECT, filtering, aggregation, and JOINs to answer real questions in a live SQL editor.
Read a relational schema and follow keys between tables
Filter, sort, and calculate values with SQL expressions
Summarize data with GROUP BY and aggregate functions
Join related tables and validate the resulting rows
Bean & Brew, a coffee-shop dataset whose customers, products, and orders grow with each module.
None. The course starts with tables, rows, columns, keys, and NULL.
Open any module to review its exact sections. Progress and completion follow you through the course.
Topics include What is a Relational Database?, Tables, Rows, and Columns, Understanding Data Types, and more.
Topics include Your First Query: SELECT & FROM, Filtering with WHERE, Combining Filters: AND, OR, NOT, and more.
Topics include Aggregate Functions: COUNT, SUM, AVG, Grouping Data with GROUP BY, Filtering Groups with HAVING.
Topics include INNER JOIN, LEFT JOIN, RIGHT JOIN & FULL OUTER JOIN, and more.
Complete SQL beginners
Spreadsheet users moving into analytics
Analysts who want a stronger query foundation
These are independent LDS courses that extend the closest skills. Choose the direction that matches what you want to build next.
Turn complex business logic into readable SQL.
Master SQL analytics without collapsing rows.
Learn to read, reason about, and write Python.
The first module establishes the language and example used throughout the rest of the course.
