摘要
XQuery是一个刚诞生不久的查询语言,与优化相关的很多问题还未解决。主要研究与XQuery语言相关的优化问题。对XQuery中的结构化连接算法进行了改进,通过比较,表明所进行的改进能提高性能。
XQuery is a new query language, many problems have not been figured out in this field. In this paper XQuery’s optimization question is studied, and the structural join order algorithm is improved.According to the comparision, the improvement can advance the performance.
出处
《计算机应用研究》
CSCD
北大核心
2005年第7期87-89,共3页
Application Research of Computers