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HSQLDB (HyperSQL DataBase) is a modern relational database manager that conforms closely to the SQL:2011 Standard and JDBC 4 specifications. It supports all core features and many of the optional features of SQL:2008.

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

This documentation covers the latest HyperSQL version 2.3. This documentation is 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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