Practice SQL with hands-on exercises in your browser. Write real queries against a live database, get instant feedback, and build confidence through guided challenges. No setup required - start coding immediately.
7 módulos • 27 aulas

Master Git version control with hands-on exercises. Practice commits, branches, merges, and more with a simulated repository in your browser. Learn workflows and best practices for team collaboration.

Learn JavaScript programming with hands-on exercises. Practice variables, functions, arrays, objects, and more with live code execution in your browser. Master modern ES6+ features like arrow functions, destructuring, and spread operators.

Learn Python programming with hands-on exercises. Practice variables, data types, functions, loops, and more with live code execution in your browser. No installation required - powered by Pyodide.

Master the fundamentals of SQL from scratch. Learn to query, manipulate, and design databases using PostgreSQL. Build real-world database systems through hands-on exercises and a capstone project. No prior database experience required.

Master essential Linux command line skills through hands-on practice. Learn to navigate the filesystem, manage files, search for content, control permissions, manage processes, and write shell scripts. Interactive terminal exercises in your browser make learning practical and engaging.

A beginner-friendly journey through core JavaScript concepts. Learn fundamentals, variables, operators, control flow, functions, objects, arrays, DOM manipulation, events, async programming, ES modules, and modern ES6+ features.