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Ingo Macherius wrote: > > The other problem is you can store XML, but > have to explicitely model relations (parent, sibling, child, ... and > all other axis you need) by foreign keys. The number of "metatables" > with structural information quickly outnumbers the useful data. Again > we tried, benched and canceled. Did you investigate OLAP techniques (cubes, coordinates) as a means to model the trees? I agree that flat table modeling via metatables does get difficult but I did not see it outnumbering the useful data. It is awkward. OTOH, it is one way to get the system running on cheap desktop systems. My guess is, it doesn't scale well and with the advent or rich datatypes and hyperlinks as data objects, it isn't all that useful except when the embedded renderer is the browser object. len xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev@i... Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/ and on CD-ROM/ISBN 981-02-3594-1 To (un)subscribe, mailto:majordomo@i... the following message; (un)subscribe xml-dev To subscribe to the digests, mailto:majordomo@i... the following message; subscribe xml-dev-digest List coordinator, Henry Rzepa (mailto:rzepa@i...)
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