内存队列

http://blog.csdn.net/pukuimin1226/article/details/17994277 后面好好去理解,多个线程时,用内存队列,先记录一下

Redis

1.查询用时语句

declare @begin_date datetime

declare @end_date datetime

select @begin_date = getdate()

<这里写上你的语句...>

select @end_date = getdate()

select datediff(ms,@begin_date,@end_date) as '用时/毫秒'

2.下面这种方法比较全面,将执行每个语句时采取的步骤作为行集返回,通过层次结构树的形式展示出来

set statistics profile on

set statistics io on

set statistics time on

go

<这里写上你的语句...>

go

set statistics profile off

set statistics io off

set statistics time off

你将独自前行,你会遇到友好,也会遇到恶意,不管你多么善良,因为世间就是这样,不好,不坏.
原文地址:https://www.cnblogs.com/jsdvkm/p/4588054.html