Re: [xml-dev] Relax NG, Thoughts, etc.

• To: Rich Salz <rsalz@...>
• Subject: Re: [xml-dev] Relax NG, Thoughts, etc.
• From: Daniela Florescu <dflorescu@...>
• Date: Sun, 28 Nov 2004 19:32:40 -0800
• Cc: "Roger L. Costello" <costello@...>, "xml-dev@..." <xml-dev@...>
• In-reply-to: <Pine.LNX.4.44L0.0411281006320.11797-100000@...>
• References: <Pine.LNX.4.44L0.0411281006320.11797-100000@...>

>> c. XQuery
>
> Do any of those other schemas have a type system?  I thought the only
> place XQuery cared about schema was datatypes.


YES,  XQuery (and XPath 2.0, and XSLT 2.0) do have a type
system based on XML Schema, and this involves the entire schema,
not only the datatypes.

Please read XQuery's formal semantics:
http://www.w3c.org/TR/xquery-semantics/

for more details on XQuery's type system and type inference rules.

Regards,
Dana

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