分析如何计算age的sql函数
发布时间：2021-11-29 16:17:51 所属栏目：PHP教程 来源：互联网
导读：复制代码 代码如下: ALTER FUNCTION [dbo].[get_FullAge] ( @birthday datetime, @currentDay datetime ) RETURNS INT AS BEGIN DECLARE @age INT SET @age = DATEDIFF(YEAR, @birthday, @currentDay) IF DATEDIFF(DAY, DATEADD(YEAR, @age, @birthday), @cur
复制代码 代码如下: ALTER FUNCTION [dbo].[get_FullAge] ( @birthday datetime, @currentDay datetime ) RETURNS INT AS BEGIN DECLARE @age INT SET @age = DATEDIFF(YEAR, @birthday, @currentDay) IF DATEDIFF(DAY, DATEADD(YEAR, @age, @birthday), @currentDay) <= 0 SET @age = @age - 1 IF DATEPART(MONTH, @birthday) = 2 AND DATEPART(DAY, @birthday) = 29 AND DATEPART(MONTH, @currentDay) = 3 AND DATEPART(DAY, @currentDay) = 1 AND NOT (YEAR(@currentDay) % 4 = 0 AND (YEAR(@currentDay) % 100 !=0 OR YEAR(@currentDay) % 400 = 0)) SET @age = @age - 1 IF @age < 0 SET @age = 0 RETURN @age END --Sql根据出生日期计算age（不是很准确） 1. select datediff(year,EMP_BIRTHDAY,getdate()) as '年龄' from EMPLOYEEUnChangeInfo 2. floor((DateDiff(day,u.EMP_BIRTHDAY,getdate()))/365 （编辑：应用网_丽江站长网） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |
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