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Online PostgreSQL 18 Bookings (ReadOnly) Playground — run SQL queries in your browser

SQLtest 50+ SQL practice tasks on the Bookings database with automatic answer checking Start →
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Free Online PostgreSQL 18 Bookings (ReadOnly) Playground

Current database engine: PostgreSQL 18 Bookings (ReadOnly) (psql18demo)

A read-only PostgreSQL 18 (18.4) database preloaded with Bookings, the airline demo database by Postgres Professional: 104 airports, 9 aircraft models, 33,121 flights from 15 July to 14 September 2017, 262,788 bookings, 366,733 tickets, seats and boarding passes. The tables are in the bookings schema.

It is a realistic dataset for joins across many tables, date and time functions, window functions and query plans on hundreds of thousands of rows. To create your own tables, use the empty PostgreSQL 18 playground.

NEW Now embed mode is available: put an interactive SQL editor on any web page with one script tag.

SQLize is a browser-based PostgreSQL 18 Bookings (ReadOnly) SQL editor and query runner for fast testing, debugging, formatting, and sharing. It is useful for interview tasks, migration checks, analytics validation, and learning SQL in a real execution environment.

Developers, students and data analysts from more than 100 countries, most of all India, the United States, Russia, Brazil, Italy, Poland and Vietnam, use SQLize to run PostgreSQL 18 Bookings (ReadOnly) queries online without installing a database server. A shareable link turns any query into a reproducible example for a colleague, a teacher or a question on Stack Overflow.