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RE: XQuery and DTD/Schema?

• To: "Uche Ogbuji" <uche.ogbuji@f...>,"Jonathan Robie" <jonathan.robie@d...>
• Subject: RE: XQuery and DTD/Schema?
• From: "Dare Obasanjo" <dareo@m...>
• Date: Sat, 6 Jul 2002 22:30:06 -0700
• Cc: "Simon St.Laurent" <simonstl@s...>,<xml-dev@l...>
• Thread-index: AcIldZCQA8TWPwCnRQeqW+uObBbpMgAAEwII
• Thread-topic: XQuery and DTD/Schema?

-----Original Message----- 
From: Uche Ogbuji [mailto:uche.ogbuji@f...] 
Sent: Sat 7/6/2002 10:15 PM 
To: Jonathan Robie 
Cc: Simon St.Laurent; xml-dev@l... 
Subject: Re:  XQuery and DTD/Schema? 

 
<Uche>
> I predict that this approach will flop.  We shall see, but I'll go one up on Sean McGrath's bet: 
>if all this overgrown welter of "object XML" is still in serious play in 2006, and I show up at 
> any XML conference, it will be in a tutu and an afro with a chin strap.
</Uche>

<mental-note>Set Outlook Reminder for Jan 1 2006 referencing this email</mental-note> 

:) 


<Uche>
These strike me as precisely the sorts of matters that are not even yet ready for standardization.First of all, querying a lot of persistent XML and viewing non-XML data in XML forms are very different matters, and very different needs.  The latter is useful regardless of how much data is in play, and whether or not it is persistent.  It is not ready for standardization because it is such a varied matter.  The RDBMS >vendors all have different approaches to the problem, and on the OO front there are things such as JXPath.  I'm not sure why this diversity needs to be scrapped.  The former, I think, might eventually make sense to standardize, a la SQL/OQL, but I think that the practice of it is still taking shape. 

</Uche>

In this area I completely agree with you 100%. Standardization should occur after some practice has been established and the pros & cons of various approaches can be weighed. Instead we have a standards process driven by research interests where core aspects of the technology in the standard have never seen the light of day outside a non-research/academic setting. Unfortunately, the XML database vendors are to blame for this (Yes, us included) for wanting standardization early and not wanting to fragment the market. 

My personal opinion would involve scrapping the XQuery effort and revisiting the issue in two or three years when lots of practice was established. Of course, the realities of the industry make that merely a renegade opinion and not an indication of the future. 

 

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