SQLite 3 · no installation required

SQL Playground Online

Write and run SQL queries instantly in your browser against a temporary database. Practice SELECT, JOIN, GROUP BY, indexes, and query optimization with immediate feedback.

Open the SQL playground

A small SQL starter

Review this deterministic example, then open it in the full sandbox when you are ready to edit and run code.

CREATE TABLE topics (name TEXT);
INSERT INTO topics VALUES ('SELECT'), ('JOIN'), ('GROUP BY');
SELECT COUNT(*) AS topic_count FROM topics;

Expected output

topic_count
-----------
3

Common uses

  • Practice SELECT queries
  • Explore joins and aggregation
  • Test schema changes

Know the limits

Each run uses a temporary SQLite database. Data is not retained, and behavior can differ from PostgreSQL, MySQL, SQL Server, or production datasets.

Continue with SQL lessons

Turn a quick experiment into structured practice with these course lessons.