SQL Editor with Sample DB

Write and execute SQL queries in your browser with built-in sample databases

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About This Tool

This online SQL editor allows you to write, edit, and execute SQL queries directly in your web browser. It comes with multiple sample databases including Northwind (sales), Chinook (music store), and Sakila (movie rental) so you can practice SQL without any setup. The editor features syntax highlighting, auto-completion, and instant query execution using SQL.js WebAssembly. Perfect for learning SQL, testing queries, or quick database prototyping.

Save your calculation history with a free account

How to Use

Select a sample database from the dropdown menu
Write your SQL query in the editor (syntax highlighting included)
Click 'Execute Query' to run the SQL
View results in the formatted table below
Use 'Reset Editor' to clear your query or 'Load Example' for sample queries

Frequently Asked Questions

Find Quick Answers

What databases are available?

Three sample databases are included: Northwind (sales data with customers, orders, products), Chinook (digital music store with artists, albums, tracks), and Sakila (movie rental database with films, actors, stores).

Do I need to install anything?

No installation required. The SQL editor runs entirely in your browser using WebAssembly (SQL.js). No server-side processing or database connections needed.

Can I save my queries?

Queries are not automatically saved, but you can copy your SQL code from the editor. For persistent storage, you would need to manually save the queries to your local machine.

What SQL features are supported?

The editor supports standard SQL features including SELECT, INSERT, UPDATE, DELETE, JOINs, GROUP BY, ORDER BY, and common functions. It uses SQLite syntax via SQL.js.

Need to run multiple calculations?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

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