摘要
针对电力企业信息系统查询的特点及现状,阐述了现有的数据查询方案的弊端,并介绍了一种新的查询方式———XML查询。利用XML查询语言的优点改善企业信息系统查询的性能,达到跨平台查询的目的。文章引入了XML查询中比较先进的XQuery,解释了XQuery的框架模型和查询步骤,研究了XQuery在电力企业信息查询中的可行性,并探讨了XQuery查询语言在电力企业信息查询方案中的应用前景。
Aiming at the query characteristic and actuality of electric corporation information system, the paper analyses the disadvantage of nowadays data query scheme, and introduces a new query mode-XML query. The excellence of XML query is expounded in the paper, by using this XML query it can be reached to enhance corporation information system query performance and to achieve the cross-platform query. The paper introduces Xquery, which is an advanced XML query mode, and explains XQuery＇s frame model and query process. The feasibility of XQuery in electric corporation information query is analyzed, and application foreground of XQuery language in electric corporation information auerv is discussed.
出处
《电力系统通信》
2006年第1期44-47,共4页
Telecommunications for Electric Power System
关键词
可扩展性语言
信息系统
查询语言
eXtensible Markup Language （XML）
information system
query language
