莞城微信网站建设,最权威的做网站的公司哪家好,建设网站论坛,数据集网站UPDATE 表名 SET 字段名ceiling(rand()*500000500000) WHERE (条件);原文链接#xff1a;http://blog.csdn.net/bobay/article/details/24797525MMP 上面的只能更新一条UPDATE 表名 SET 字段名cast(rand(checksum(newid()))*(24)1 as int) WHERE (条件);上面的就是每条都更新的…UPDATE 表名 SET 字段名ceiling(rand()*500000500000) WHERE (条件);原文链接http://blog.csdn.net/bobay/article/details/24797525MMP 上面的只能更新一条UPDATE 表名 SET 字段名cast(rand(checksum(newid()))*(24)1 as int) WHERE (条件);上面的就是每条都更新的了下面的只供学习具体以后能不能用得上以后再说update [test].[dbo].[table]set [table.rand] cast(rand(checksum(newid()))*(999999-100000)100000 as float(6))select newid() 如57C26BA5-8304-4877-B5D4-256C80428B94select rand() 如0.029051900701824select checksum(500) 如500select checksum(newid()) 如35757911select rand(checksum(newid())) 如0.657911662715189select rand(checksum(newid()))*(999999-100000)100000 如881621.124049528select cast(rand(checksum(newid()))*(999999-100000)100000 as float(6)) 如609545.7
