HSQLDB has enjoyed huge success in recent years due to the efforts of all 
developers to improve the engine in all areas, especially reliability, speed 
and features.



This work has taken a significant amount of my time, which I have funded via 
other, unrelated sources. As the development work on HSQLDB is not going to 
stop, and the use of the engine will be more widespread in business and 
commercial contexts, I have decided to divide my efforts on database engine 
development into two areas.



  1.. Development of HSQLDB will continue as before. I have outlined the 
immediate plans up to version 1.8.0 in another post today. Versions after 
1.8.0 will follow with the new grammar based parser and other enhancements.
  2.. Free support for HSQLDB will continue to be provided via our forums 
and mailing lists.
  3.. I have released a separate SQL engine, featuring a new core that I 
have developed over the last several months. This engine, named 
HyperXtremeSQL, is fully compatible with HSQLDB at application level but is 
much faster in most common usage scenarios. HyperXtremeSQL is a commercial, 
closed source product aimed at all professional users of HSQLDB. See 
http://www.hxsql.com
  4.. I will provide paid professional support both for HSQLDB and 
HyperXtremeSQL.
  5.. HyperXtremeSQL will remain compatible with HSQLDB in the foreseeable 
future. A large amount of code outside the engine core is shared between the 
two products and improvements to this code will be equally reflected in 
both.
  6.. Sale of licenses for HSQLDB and support for HyperXtremeSQL will help 
the continued development and support of both products.
I invite all professional and commercial users of HSQLDB to purchase some 
professional support, which will in turn support HSQLDB. If the speed and 
capacity improvements provided by HyperXtremeSQL (http://www.hxsql.com) are 
of interest, then this is a safe choice, as your applications will work with 
both engines without modifications.



Fred Toussi 



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