Mark Birbeck writes:
>The attribute table has a join on the element table to say what
>element the attribute belongs to, whilst the element has
>joins to itself to say who the parent of an element is. This
>allows us to store an object-like tree structure, and so
>generate XML documents from any point in the tree ... The
>consequence is that we can pull out quotes and references
>from an article, a whole article, or even a whole issue, if we
>wanted. ... Generating XML documents on-the-fly - whilst not
>without problems - is an important direction to try to go in
>because it allows you to distribute any node in the tree.
Can I translate this as follows:
This approach allows XML data to be stored and retrieved
to granularity limited only by the XML instance, using existing
relational technology, with no performance penalty?
Software Performance Systems