SQL Playground
Practice SQLite queries in your browser with sample tables, joins and result grids
SQL Playground
Practice SQLite locally with a realistic sample database, schema browser, examples, and exportable results.
Schema browser
About SQL Playground
The SQL Playground gives learners a real in-browser SQLite database for practicing queries. You can edit the schema, seed sample rows, and run SELECT statements against tables without installing a database server. It is ideal for learning joins, filtering, sorting, grouping, aliases, and basic relational thinking.
SQL is easiest to learn when the table data is visible and the feedback loop is immediate. This tool keeps setup SQL and query SQL side by side, then renders results as a table. You can change the sample users and posts, try different WHERE clauses, or build your own tables for a lesson.
The database is created in memory in your browser using WebAssembly. Nothing is sent to a backend. It is not meant for storing production data, but it is perfect for tutorials, interview practice, analytics basics, school exercises, and quick query experiments.
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Frequently Asked Questions
It uses SQLite compiled to WebAssembly, running inside your browser.