Qizx Editions

Qizx is available in three editions: [feature comparison matrix]

Professional Edition
This version provides the fully featured Qizx product and commercial grade support. Liberal licenses cover nearly all possible use cases.
Free Engine Edition
This edition offers all the features of the commercial edition, but it is limited in database size (approximately 1000 megabytes of source XML).
You can evaluate Qizx without size limitations by getting an evaluation key for the Free Edition, valid for three weeks.
Qizx/open, the open-source Edition
Qizx/open fully implements the XML Query language, but has no persistent storage and no indexing capabilities. It is in fact a component of the complete Qizx product.

Feature comparison matrix

	Qizx Professional Edition	Qizx Free Engine	Qizx/open
Basic features of the XML Query language	X	X	X
Optional features of the XML Query language: Modules, Full Axis, XQuery Update, XQuery Scripting	X	X	X
Qizx Server	X	X	-
In-memory XML documents	X	X	X
Indexed queries	X	X	-
XQuery Full-Text search	X	X	X (not indexed)
Join optimizations	X	X	X
Unlimited size	X	-	(not applicable)
ACID transactions, hot backup	X	X	(not applicable)
Persistent compressed document storage	X	X	(not applicable)
General XQuery extension functions	X	X	X
XML Library handling extension functions	X	X	(not applicable)
Java Binding	X	X	X
Java API	X	X	X
Source code of applications, API and utilities	X	X	X
Full Source Code	option	-	(Open Source: Mozilla Public License)
Price	Price List	Free	Free