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RE: Recently published W3C Working Drafts (long)

  • To: "Paul T" <pault12@p...>,"Dare Obasanjo" <kpako@y...>,<xml-dev@l...>,"Joe English" <jenglish@f...>
  • Subject: RE: Recently published W3C Working Drafts (long)
  • From: "Michael Rys" <mrys@m...>
  • Date: Fri, 21 Dec 2001 23:09:59 -0800
  • Thread-index: AcGKp9HofN+BZW3GRjykkz6oNcn35wAD2Gjg
  • Thread-topic: Recently published W3C Working Drafts (long)

upsert syntax
> This is so interesting!
> 
> If by Microsoft prototype you mean
> http://131.107.228.20/xquerydemo/
> 
> Insert / Delete / Update
> 
> this is really neat stuff!
> 

[Michael Rys] Yes. This is the prototype I refer to. Note however, that
the update language there is much behind the current state of the work.

> What is the status of UPSERT word?

[Michael Rys] We are debating on what to call it and whether to include
it as a required functionality.

> Is there any paper on W3C website that
> contains this word, or this is MS-only thing?

[Michael Rys] This is combined work from some people participating in
the XML Query WG, Microsoft included. Note however, that the standard
disclaimers about no commitment to productization etc apply.

> Also, I tried searching for the word 'update'  in the
> http://www.idealliance.org/papers/xml2001/papers/html/03-01-04.html
> but it seems there is no such word in the document.
> 
> Maybe you're referring to some other Jonathan Robie's
> XML 2001 talk?

[Michael Rys] See
http://www.idealliance.org/papers/xml2001/papers/html/05-03-02.html


Regards
Michael

> Rgds.Paul.
> 
> ----- Original Message -----
> From: "Michael Rys" <mrys@m...>
> 
> 
> Note that XQuery is planning on adding update syntax and semantics
(for
> an example see the syntax in the Microsoft prototype and Jonathan
> Robie's XML 2001 talk) and several people in the working group are
> working on it. It probably won't be part of 1.0 though for not
delaying
> 1.0 even further.
> 
> Best regards
> Michael
> 
> > -----Original Message-----
> > From: Dare Obasanjo [mailto:kpako@y...]
> > Sent: Friday, December 21, 2001 21:56 PM
> > To: xml-dev@l...; Joe English
> > Subject: Re:  Recently published W3C Working Drafts (long)
> >
> > Doesn't anyone else see something wrong with THREE different
languages
> > with
> > significantly differing syntax that have roughly the same
> functionality
> > (querying) with yet NONE have update or delete semantic? However
some
> > people
> > think that the time has come for XML databases? Interesting..
> >
> > PS: IMHO, until someone comes up with a language with simple
> > SELECT-DELETE-UPDATE semantics, XML databases will be the OODBMSs of
> the
> > new
> > millenium. I remember being introduced to XML and thinking that the
> > concepts
> > behind relational databases were more complex than those behind the
> > hierarchical structures that encompass XML, amazingly enough the W3C
> has
> > proved me wrong by producing increasingly complex languages that
> > supposedly
> > deal with handling XML in databases yet have much less functionality
> than
> > a
> > simple language like SQL. *sigh*
> >
> > --
> > THINGS TO DO IF I BECOME AN EVIL OVERLORD #202
> > All crones with the ability to prophesy will be given free
facelifts,
> > permanents, manicures, and Donna Karan wardrobes. That should pretty
> > well destroy their credibility.
> >
> > ----- Original Message -----
> > From: "Joe English" <jenglish@f...>
> > To: <xml-dev@l...>
> > Sent: Friday, December 21, 2001 6:41 PM
> > Subject: Re:  Recently published W3C Working Drafts (long)
> >
> >
> > >
> > > Michael Kay wrote:
> > >
> > > > To sum it up rather briefly, I think XQuery 1.0 is essentially
> XPath
> > 2.0
> > > > plus
> > > > 1) element and attribute constructors
> > > > 2) function definitions
> > > > 3) strong typing
> > > > Of course (1) is available in a different form in XSLT 1.0, and
> (2) is
> > > > available in XSLT 2.0, so you could say that apart from syntax,
> XQuery
> > is
> > > > XSLT plus strong typing minus template rules. Those might seem
> small
> > > > differences, but I happen to agree with those who believe that
the
> > addition
> > > > of strong typing and the absence of template rules are both very
> > important
> > > > when it comes to optimizing a query to execute against a large
XML
> > database
> > > > with pre-defined indexes.
> > >
> > > That makes sense.  XSLT is very difficult to optimize, so
> > > XQuery has an advantage by virtue of what it leaves *out*.
> > >
> > >
> > > --Joe English
> > >
> > >   jenglish@f...
> > >
> > > -----------------------------------------------------------------
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> >
> >
> >
> > _________________________________________________________
> >
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> >
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> >
> >
> >
> >
> > -----------------------------------------------------------------
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> 
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