RE: SV: [xml-dev] When to Validate XML?

["Michael Kay" <michael.h.kay@ntlworld.com>]

> Good point. Hence the question - what does schemaless
> persistence mean
> (as offered by most XML-DB vendors) for such applications? The whole
> idea of schemaless persistence is based on extensibility,
> semi-structuredness, etc. How do these vendors react to the
> question of
> DB-level validation?

I think one important difference between XML databases and conventional
databases is that (at least in one usage scenario) the document is validated
against the schema at the time it is stored, and is never changed
subsequently, even though the schema may change.

Mike Kay
Software AG