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Re: XPath and XQL

• From: "Ingo Macherius" <macherius@d...>
• To: <schen@f...>
• Date: Sun, 26 Sep 1999 18:59:28 +0200

 <schen@f...> wrote at 26 Sep 99, 11:45:

First, the WG is operable for little more then a week now and as far 
as I know there haven't been any decisons yet. 

Second, of course XPath will be a major influcence, but it's a bit 
early to speak of any basis. Unlike XPath, which was designed to 
select parts from documents, a QL will also need to cover 
restructuring. For XPath this is done by XSLT templates. Unlike XPath 
a QL should be independet of a template language here.

Third, the actual syntax of any QL is only second in importance. The 
database community has two key techniques: data models and algebras. 
Hopefully any work will start here. However, given the widespread use 
of path expression syntax (such as in XPath, XPointer, URL and XQL) 
using this syntax seems a good idea.

	++im

> Hi Erik, all,
> 
> On Mon, 20 Sep 1999, Erik James Freed wrote:
> 
> > Anyone have any insight into how these two technologies are likely to
> > cooexist/merge?
> 
> If you mean Microsoft's submitted rec XQL, then that has already turned
> into XPath.  If you mean some yet-to-be-defined XML Query Language, then I
> believe the working group is already using XPath as the basis and will
> build upon it.
> 
> . . . Sean.
> 
> 
> 
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• References:
  • XPath and XQL
    • From: "Erik James Freed" <ejfreed@i...>
  • Re: XPath and XQL
    • From: <schen@f...>

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