From: Jonas Hartmann <Mail@...>
Date: 2005-04-11T10:46:32+09:00
Subject: Free XML Databases (with Ruby!)?

I seek a way to save data into a flexible tree, this means into a tree 
I can basically extend on each node by filling it up with multiple 
content elements (Just compare it to a file system).

First I thought, lets just take XML; then I thought that it would be 
rather slow if I had to pass past data of - lets say a CD Image of a 
downloadable file I stored in there - so i concluded to separate 
structure from content/data again - but this makes it inflexible, 
cause I just cant set a flag "fulltext-search-disabled: no" to 
include, lets say, a really huge text document for example.

Anyone got an idea? I am still planning my project, I also looked 
around for a flexible pure OO language fitting web developers needs, 
and found ruby =).



So, anyone knows a free native XML/OO Database? I am kind of new to 
XML structures as well, but I imagen something that works like this:

- can import .xml files
- can use a .dtd file to test the data structure of a .xml file but 
must not!
- can export .xml files
- data inside the xml database is accessible (selectable) via anything
   like xPath ( http://www.w3.org/TR/xpath ) /
   xPointer ( http://www.w3.org/TR/xptr-xpointer/#b2b1b1a ) or so... I
   am not yet deep into this topic.

Maybe I don't need XML, and there is another way to store the type of 
data I got. (tree-like, file-system comparable).

It should work well with ruby somehow (maybe there could be any kind 
of interface/module I can use).