1.项目简介..........................................................................................................................................42.应用系统的优化..............................................................................................................................52.1.优化概述..................................................................................................................................................................52.2.优化方案..................................................................................................................................................................52.2.1.未使用已有索引..............................................................................................................................................52.2.2.缺少必要索引................................................................................................................................................232.2.3.其它................................................................................................................................................................382.2.4.临时表优化....................................................................................................................................................512.3.应用系统架构设计................................................................................................................................................512.3.1.业务拆分........................................................................................................................................................522.3.2.历史数据下线................................................................................................................................................533.其它建议........................................................................................................................................533.1.数据库实例性能数据采集作业.................
