Hi James,
> There's quite a few different ways to tackle the mapping of XML to
> databases. Certainly the XML-DBMS work looks interesting. (Shame they
> don't
> offer a SAX interface ;-)
Yes. Thats ugly. :-( Perhaps we can create such a sax interface by ourself..
> Some object databases such as Versant allow clever pre-fetching to be done
> to improve navigation performance.
A native XML DB is cool. I think there is one for Open for Linux only. But
no one for Java...
>
> Certainly the castor / jdo approach is useful too. Have Castor got a way
> of
> generating a database schema for an XML Schema document yet? If so maybe
> its
> time to write an adapter for dom4j?
I have already downloaded Castor and will get closer with it. It think
persitence on top of this could be quite easy to use for dom4j developers. I guess
we should combine the memento pattern with strategy. the memento is store
within the database using jbo or jdbc. for jdbc the problem of mapping is
greater. I would say that every element with childs is a table and every single
child is a field. Such a DB-Create sould be done with a Schema (SchemaBuilder)
and a the persitence could be done via element values where mapped as
records.
Bye + thx
Toby
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