摘要
查询是关系型数据库中非常重要且比较复杂的操作,查询语句的优劣对数据库应用程序的性能有很大影响。数据查询速度的快慢直接影响用户的体验。本文从sQL语句的优化出发,提出了提高系统查询效率的实现方法。
Query is a very important and complicated operation in relational database, and the quality of query has great influence on the performance of database application. Data query speed directly affects the user experience. Based on the optimization of SQL statement, this paper puts forward a method to improve the efficiency of query.
出处
《办公自动化》
2017年第2期44-45,20,共3页
Office Informatization
