See the list of features in the latest version. HSQLDB has been constantly developed over 20 years and is used as a database and persistence engine in over Open Source Software projects and many commercial products. The latest versions are extremely stable and reliable. It is known for its small size, ability to execute completely or partly in memory, its flexibility and speed.
HSQLDB is completely free to use and distribute under our licenses , based on the standard BSD license and fully compatible with all major open source licenses. The database performance test package PolePosition compares the performance of relational and object databases for storing objects. We ran the PolePosition 0. The group was formed in and has released several major versions of the database over the years.
Version 2. The engine has been developed much further in version 2. Direct downloads from SourceForge exceed 2,, copies, with hundreds of millions of copies distributed as part of other software packages. An interview with core developers is published here. Versions released in recent years have enhanced reliability and performance.
Zip package at the download link above contains Java 11 module jars and Java 8 jars. Jars are also available at Maven repositories. Data cube support is one of the major recent features. As of April , this development branch was ready to be released as part of OpenOffice version 3. This configuration is currently the choice of many users with large or network-shared databases. One starting point is here:. First make a copy of the file in a differnet directory. Supposing the name of the copied file is mydb.
You will find the directories and files similar to those listed below:. It always contains the following files:. For example:. The extensions automates the procedure.
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