sql 从表中随机返回n条记录

学习记录,以备忘:

1、mysql   代码:

select name, id from sys_info order by rand() limit 5

2、sql  server代码:

select top 5 name,id

from sys_info order by  newId()

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转载自blog.csdn.net/u013558123/article/details/87774882