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W3Cs XQuery Road Tested

執筆者

Timothy Dyck

Published: Aug 27, 2001

Updated: Feb 2, 2021

1 minute read

eWeek のコンテンツおよび製品のおすすめは、編集上の独立性を保っています。パートナーへのリンクをクリックすると、当社が報酬を得る場合があります。詳細を見る

In June, the World Wide Web Consortiums XML Query Working Group released a set of draft proposals for how a new XML query language, called XQuery, will work at the groups site (www.w3.org/XML/Query).

In the middle of this month, Microsoft released a test implementation of XQuery for XML developers. The Microsoft site (131.107.228.20/xquerydemo) shows XQuery in action and provides a set of code libraries that users of the companys .Net Beta 2 software development kit can download.

XQuery is somewhat like the relational database query language SQL (including features like relational joins) but also contains some procedural extensions common in SQL language extensions such as Oracle PL/SQL or Microsoft and Sybases Transact-SQL.

XQuery relies on previous XML standards such as XML Schema (for data types) and XPath (to locate XML elements).

Timothy Dyck

Timothy Dyck is a Senior Analyst with eWEEK Labs. He has been testing and reviewing application server, database and middleware products and technologies for eWEEK since 1996. Prior to joining eWEEK, he worked at the LAN and WAN network operations center for a large telecommunications firm, in operating systems and development tools technical marketing for a large software company and in the IT department at a government agency. He has an honors bachelors degree of mathematics in computer science from the University of Waterloo in Waterloo, Ontario, Canada, and a masters of arts degree in journalism from the University of Western Ontario in London, Ontario, Canada.

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