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HyperSQL DataBase (HSQLDB) is a modern relational database system that conforms closely to the SQL:2016 Standard and JDBC 4.2 specifications. It supports all core features and many optional features of SQL:2016.

The first versions of HSQLDB were released in 2001. Version 2, first released in 2010, was a complete rewrite of most parts of the database engine.

This documentation covers HyperSQL version 2.7.1 and has been regularly improved and updated. The latest, updated version can be found at

If you notice any mistakes in this document, or if you have problems with the procedures themselves, please use the HSQLDB support facilities which are listed at

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