摘要: 转:http://www.cnblogs.com/preftest/archive/2010/11/14/1876856.html 1、监控等待事件select event,sum(decode(wait_time,0,0,1)) prev, sum(decode(wait_time,0,1,0)) 阅读全文
posted @ 2017-09-07 10:00 zfox 阅读(733) 评论(0) 推荐(0)