基于Informix数据库典型低效率SQL语句的分析及优化方法

SQL Statement Analysis and Optimization Method for Typical Low-efficiency Based on Informix Database

本文从跟踪SQL性能的方法和Informix应用调优的原则,对Informix典型低效率SQL语句进行分析,在Informix数据库系统实际应用方面提出了提高Informix数据库运行效率的方法,旨在为Informix数据库维护人员和程序设计人员提供有益的参考。

Tracing SQL performance and applying tuning principles of informix, this article analyzed on the typical low efficiency of informix SQL statements and proposed a method to improve the operation efficiency in the practical application of informix database so as to provide useful references for those who maintain and design the informix databases