oracle数据库性能监控的SQL的几种情况

1. 监控事例的等待 select event,sum(decode(wait_Time,0,0,1)) "Prev", sum(decode(wait_Time,0,1,0)) "Curr

1. 监控事例的等待 select event,sum(decode(wait_Time,0,0,1)) "Prev", sum(decode(wait_Time,0,1,0)) "Cur

1. 监控事例的等待 select event,sum(decode(wait_Time,0,0,1)) "Prev", sum(decode(wait_Time,0,1,0)) "Curr"

1. 监控事例的等待 select event,sum(decode(wait_Time,0,0,1)) "Prev", sum(decode(wait_Time,0,1,0)) "C

Oracle数据库性能监控的SQL 转载:世纪易网 整理:playboy 1. 监控事例的等待 select event,sum(decode(wait_Time,0,0,1)

Oracle数据库性能监控的SQL 转载:世纪易网 整理:playboy 1. 监控事例的等待 select event,sum(decode(wait_Time,0,0,1)

1. 监控事例的等待 select event,sum(decode(wait_Time,0,0,1)) "Prev", sum(decode(wait_Time,0,1,0)) "Cur

收集并存储性能监控器数据到SQL Server表 ? ? 当我们需要监控数据库SQL Server服务器性能的时候，有些数据库管理人员可能会选择Windows为我们提供的‘性能

一.数据控制语句 (DML) 部分 1.INSERT (往数据表里插入记录的语句) INSERT INTO 表名(字段名1, 字段名2, ……) VALUES ( 值1, 值2, ……);

1. 选用适合的Oracle优化器 ORACLE的优化器共有3种: a. RULE (基于规则) b. COST (基于成本) c. CHOOSE (选择性)