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RE: A Stakeholder's Response: XQuery APIs for Middle Tier and

• To: "Michael Champion" <michaelc.champion@g...>,"Ken North" <kennorth@s...>
• Subject: RE: A Stakeholder's Response: XQuery APIs for Middle Tier and Clients
• From: "Michael Rys" <mrys@m...>
• Date: Wed, 20 Apr 2005 22:58:38 -0700
• Cc: <xml-dev@l...>
• Thread-index: AcVGI8vW3+yexuTwTgqQ7yTtX06m3AAEQmeA
• Thread-topic: A Stakeholder's Response: XQuery APIs for Middle Tier and Clients

SQL Server's Service Broker messages can be (and most of the time are)
XML documents. So you can apply XQuery to them inside the database...

Best regards
Michael

> -----Original Message-----
> From: Michael Champion [mailto:michaelc.champion@g...]
> Sent: Wednesday, April 20, 2005 8:35 PM
> To: Ken North
> Cc: xml-dev@l...
> Subject: Re:  A Stakeholder's Response: XQuery APIs for
Middle
> Tier and Clients
> 
> On 4/20/05, Ken North <kennorth@s...> wrote:
> > >> and I'm hearing it for XQuery as the interface to XML DBMS or XML
> types in an
> > RDBMS
> >
> > Some SQL platforms provide a tight integration of the database
engine
> with
> > message queues and queuing functions. You can, for example, run SQL
> stored
> > procedures to compose documents and place them in MQ Series message
> queue or
> > shred a document in a SOAP message in a queue.
> >
> > You can run XQuery over message queues stored in the database.
> >
> > Now consider the .NET environment, MSMQ and SQL Server 2005. Without
> message
> > queues in SQL Server databases, how do I run XQuery against
messages?
> Use a
> > third-party processor?
> 
> Are you familiar with the SQL Server 2005 Service Broker that is
> "enables faster and easier development of SQL Server applications that
> rely upon asynchronous, queued operations."
> http://msdn.microsoft.com/library/default.asp?url=/library/en-
> us/dnsql90/html/sqlsvcbroker.asp
> I'm not too clear on its relationship to XQuery myself, but this is
> something I'm hoping to learn more about soon. Perhaps one of my more
> knowledgeable colleagues could help me out here :-)
> 
> I definitely think that there are interesting use cases for building
> messaging in the database.  I'm not clear on how this relates to
> Jonathan's point, however.  Do you think having XQuery support in .NET
> would make it easier to run XQuery against messages.  I would think
> that this would be a desirable DB engine feature, and that is where MS
> have focused our XQuery efforts.
> 
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