SQL Playground - Practice SQL Queries Online

Learn and practice SQL with interactive sample databases. Run queries, see results instantly. Perfect for beginners and testing.

Sample E-commerce DB

All customers (first 10)

Top 5 expensive products

Customers by order count

Best selling products

Monthly revenue

Query Editor

Run a query to see results

We provide a sample e-commerce database with customers, orders, products, and employees tables. More databases are coming.

Yes. Click 'Load Custom DB' to use your own SQLite file instead of the sample data.

Yes! The sample data lets you practice SELECT, JOIN, GROUP BY, and other SQL concepts without setup.

No. All changes are in memory. Refresh the page to reset to the original sample data.

Yes. The playground supports all SQL statements. Changes affect the in-memory database.

Yes. Your recent queries are saved and can be re-run with a click.

Yes. Once loaded, the playground works entirely in your browser without internet.

SQLite SQL dialect. Most standard SQL works, but some database-specific features may differ.

Yes. Export results as CSV or copy to clipboard.

Yes. Everything runs locally using SQL.js. No data is sent to any server.