摘要
在数据库应用中,根据用户提交的查询请求,如何才能精炼又高效地得到查询结果?从多个角度描述怎样优化SQL语句。实验结果表明,SQL优化能够减轻系统资源的占用,满足用户的要求。
In the database application,how to refining and efficiently get the query result according to user’s query request？ This article describes how to optimize the SQL statement with many aspects.The experimental results show that,SQL optimization that can reduce the occupier of system resources,to meet the requirements of the customers.
出处
《中国教育技术装备》
2012年第3期74-76,共3页
China Educational Technology & Equipment
