Article:		Processing RSS
Subject:		XQuery and XSLT
Date:		2003-04-18 21:40:44
From:		Per Bothner
Response to: XQuery and XSLT
> So why are both needed? One way to think of them: XSLT is essentially a special-purpose scripting language. It is designed to be interpreted, and there is no static type-checking or optimization. XQuery aspires to be a real general-purpose programming language, albeit one with syntax and data types optimized for XML applications. It supports (at least optionally) type-checking, optimization, and compilation. This is of course a gray boundary. It is possible to compile and statically analyze at least a subset of XSLT, and it is possible to do quick-and-dirty scripting in XQuery. But your point about "deeper support for XML Schema data types" goes beyond Schema: Having a statically analyzable syntax and type system allows you to catch type errors as compile-time errors rather than run-time errors which I think is very valuable.

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• XQuery and XSLT
  2003-04-19 13:13:25 Oleg Tkachenko
  • XQuery and XSLT
    2003-04-21 19:24:20 Per Bothner