Free Online Firebird 4.0 Playground
Current database engine: Firebird 4.0 (firebird4)
This page runs Firebird 4.0 (4.0.5) in a clean database. Firebird is an open-source relational database descended from InterBase. Version 4.0 added the INT128 and DECFLOAT numeric types, TIME and TIMESTAMP WITH TIME ZONE, window frames (ROWS and RANGE) and built-in replication.
Sample data: Firebird 4.0 with the Employee database. The newer Firebird 5.0 and the Firebird-based RedDatabase 5.0 are available too.
NEW Now embed mode is available: put an interactive SQL editor on any web page with one script tag.
SQLize is a browser-based Firebird 4.0 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 Firebird 4.0 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.