摘要
查询是一个数据库中最基本、最常用、最复杂的基本操作,ORACLE数据库也不例外。因此查询语句的效率是决定Oracle数据库应用系统性能的一个重要因素。该文从ORACLE数据库SQL语句优化的三个方案入手,进行了比较详细的介绍,然后又通过若干实例介绍了SQL语句优化的具体方法。
A database query is basic and the most common and basic operation of complex,ORACLE database is no exception.Therefore,the efficiency of query is to determine the Oracle database application performance an important factor.Papers from the ORACLE database SQL statement optimization of the three options to start,for a more detailed description,and then by a number of examples,describes specific methods for optimization of SQL statements.
出处
《电脑知识与技术》
2010年第8X期6679-6681,共3页
Computer Knowledge and Technology
