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RE: XML and Queries (not XQL)
- From: "Bullard, Claude L (Len)" <clbullar@ingr.com>
- To: sellberg@kapow.dk, xml-dev@lists.xml.org
- Date: Thu, 22 Feb 2001 12:18:55 -0600
Title: RE: XML and Queries (not XQL)
It is
useful to query the schema to provide a means
to
construct a query. This is straightforward in
terms
of "string schlepping" in the interface to get
names. Yes one can consider the content model
productions to constrain views of a sort.
As a
query itself, no. It doesn't work. In simplistic
terms, a query defines the conditions of the
search;
the
schema defines the properties of the search. It
has
been considered several times since the SGML
years.
Len
Selberg wrote:
> Are there examples of using XML as a substitute for
> an SQL query? I mean examples of using a DTD to
define
> a valid search given as XML as the search
criteria in
> a database?