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[ANN] Qizx 3.0 released

Olivier Ishacian (news)
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Qizx is an embeddable, high-speed, native XML
indexing and query engine written in Java(TM),
with the querying and processing capabilities of a
fully fledged XML Query implementation.

What is new in version 3.0

This version mainly fixes bugs found in 3.0 beta:

* A bug appearing when many threads perform
transactions simultaneously. This is unlikely to
happen in normal use, but can compromise the
integrity of an XML Library (database).

* Two memory leaks

* Improved database integrity checks and recovery.

New features in 3.0 with respect to 2.2 are:

* Efficient and nearly complete support of
XQuery Full-Text, a new W3C Recommendation for
integrated full-text search in XQuery.

* Miscellaneous optimizations of query execution.

The former version 2.2 is no more available.
We strongly recommend to upgrade to Qizx 3.0.

Please visit
for more information.

Qizx is available in several editions:

* The commercial product has 3 liberal licenses
both for corporate application development, and
for royalty-free distributable products.

* The Free Engine edition is a fully functional
version of Qizx which can be used for developing
or in production. It is limited in database
size (one gigabyte of XML approximately).

* Qizx/open is an open-source version of the XML
Query interpreter of Qizx. Qizx/open has been
available since 2003 and is recognized as one
of the most advanced and fastest XML Query

Qizx Free Engine can be downloaded from

Qizx/open can be downloaded from

Qizx customers, please upgrade using this form:

(The above form is usually accessed through


Please visit for more
information about Qizx.

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