SQL Online Editor
Run SQL queries online in VulnTech's browser-side editor. Practice tables, inserts, selects, and SQLite-style queries with terminal output.
Run SQL Online in Your Browser
Use the SQL editor to practice database basics with SQLite in WebAssembly. Create tables, insert rows, run SELECT statements, filter data, and try GROUP BY queries without a server database.
Supported Languages
SQL support focuses on practical learning examples:
- CREATE TABLE
- INSERT
- SELECT
- WHERE filters
- GROUP BY
- SQLite-style queries
Browser-Side Execution
Code execution stays browser-side through Web Workers and WebAssembly runtimes where needed. Runtimes are lazy-loaded only when the selected language needs them, and the server-side execution endpoint remains disabled.
Features
- SQLite runs in WebAssembly
- query results print to the terminal
- database state resets between runs
- good for small practice datasets
Practice Ideas
- Create small tables and run SELECT queries with WHERE filters.
- Practice JOIN, GROUP BY, and ORDER BY with sample rows.
- Compare SQLite syntax with other database engines while learning basics.
Example Exercises
Limitations
- SQLite syntax may differ from MySQL or PostgreSQL
- Not intended for production databases
- Large datasets are limited by browser memory
FAQ
What SQL engine is used?
The SQL editor uses SQLite WebAssembly in the browser.
Can I practice SELECT and INSERT?
Yes. You can create tables, insert rows, and run SELECT, WHERE, JOIN, and GROUP BY style exercises.
Does it connect to a real database server?
No. Queries run in a browser-side SQLite runtime for safe learning practice.