~ # esxcfg-nics -lName PCI Driver Link Speed Duplex MAC Address MTU Description vmnic0 0000:01:00.00 bnx2 Up 1000Mbps Full f0:4d:a2:3f:fe:99 1500 Broadcom Corporation Broadcom NetXtreme II BCM5709 1000Base-Tvmnic1 0000:01:00.01 bnx2 Up 1000Mbps Full
一哥们问我,怎么才能让子查询作为驱动表? SQL如下: select rowid rid from its_car_pass7 v where 1 = 1 and pass_datetime >= to_date('2013-07-06 :17:46:04', 'yyyy-mm-dd hh24:mi:ss') and pass_datetime <= to_date('2013-07-06 :18:46:06', 'yyyy-mm-dd hh24:mi:ss') and v.pass_devi
背景: 接到开发通知,应用页面打不开,让我协助... (开发跟我说,表GV_BOOKS一直有锁,锁了有1个多小时了,问我能不能把锁释放掉,我回答他们说,这肯定是sql性能问题,表上有锁是正常现象,不是锁导致的sql执行不出来). 利用工具,追踪到以下sql. --sql代码 DELETE GV_BOOKS WHERE ACCOUNTID IN (SELECT ACCOUNTID FROM GV_BOOKS MINUS SELECT A.ACCOUNTID FROM GV_ACCOUNTS A,