摘要
对于数据库的一条复杂查询语句,相同查询条件可以有多种不同的实现方法。而不同的方法会使数据库的响应速度大相径庭。本文对数据库的查询技术进行分析,给出两种优化方法:分解查询和选择最优存取路径。
For a complex query statement on database, the same query conditions may be realized in different ways. However, different ways make much difference with regard to the response rate of database. In this paper,first the query technology on database is analysed,then two optimization methods are offered:the disintegration query and the best access path selection.
出处
《聊城师院学报（自然科学版）》
2002年第3期48-50,65,共4页
Journal of Liaocheng Teachers University(Natural Science Edition)
