• From: Wolfgang Meier <meier@i...>
• To: "xml-dev@l..." <xml-dev@l...>
• Date: Fri, 18 May 2001 10:05:03 +0200

I am pleased to announce that version 0.4 of eXist has been
released. eXist is a database and retrieval engine for XML
documents. It provides pluggable storage backends, storing XML either
in a relational database or using a native backend. eXist has it's 
own XPath implementation with fulltext support. The new version is 
available at http://exist.sourceforge.net.

Changes since version 0.3:

* new native backend which uses sequential files and btrees for the 
  indexes.

* added support for PostgreSQL as storage backend. 

* enhanced DOM to handle namespaces, comments and processing
instructions.

* entities are preserved.

* bug fixes to better support MS WIN.

Until a comparable, pure Java implementation is available, the native
backend uses the Java API to Berkeley DB for the btrees. Berkeley DB
is a well known C-Library on Unix systems and also supports MS Win.

The new backend is very fast when retrieving document content, because
all nodes are stored in document order inside a sequential file. Whole
documents or larger parts of them may be retrieved in very short
time. Loading documents into the database will be faster, too.

WM
-- 
---------------------------------
Wolfgang Meier
TU
Darmstadt                                                                      
Inst. fuer Soziologie                                                    
Residenzschloss
D-64283 Darmstadt
Email: meier@i...
Tel: 06151-16-6564
----------------------------------

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