SQL语句优化在Oracle数据库中的应用

SQL Statements Optimization Application in the Oracle Database

目前，Oracle数据库在企业级应用中占据核心地位。在实际运行中，影响其效率的因素是多方面的，其中SQL语句的执行效率是关键因素之一。本文从SQL的优化原则和在Oracle中执行原理出发，探讨了Oracle数据库中SQL的优化技术。

Currently, oracle database takes the core location in enterprise application.In actual operation,various factors affect the efficiency of oracle database but the execution of SQL statements is the key factor.This paper based on the SQL optimization principle and executed process, discussed SQL optimization techniques in oracle database.