2019独角兽企业重金招聘Python工程师标准>>> DECLARE @n DECIMAL(4,2) WHILE 1=1 begin SELECT @n=FLOOR(RAND()*1000)/1000 IF @n BETWEEN 100 AND 0.345 break END SELECT @n 转载于:https://my.oschina.net/u/2446847/blog/1536407