Free Online SQL Editor

Practice SQL queries directly in your browser with no installation required. SQLSandboxes provides a free interactive SQL editor powered by SQL.js with access to 10+ realistic datasets including e-commerce orders, HR analytics, financial transactions, and user behavior data. Write SELECT, JOIN, GROUP BY, window functions, CTEs, and more — and see results instantly.

Available Practice Datasets

• E-commerce sales and orders dataset
• HR and employee analytics dataset
• Financial transactions dataset
• User behavior and analytics dataset
• Music streaming analytics dataset
• Real estate market data dataset

SQL Features You Can Practice

• SELECT queries with WHERE, ORDER BY, and LIMIT
• JOIN operations: INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL OUTER JOIN
• Aggregation functions: COUNT, SUM, AVG, MIN, MAX with GROUP BY and HAVING
• Window functions: ROW_NUMBER, RANK, LAG, LEAD, moving averages
• Common Table Expressions (CTEs) and recursive queries
• Subqueries, CASE statements, and string functions