update [表名] set [性别]=(case when (left(right([身份证],2),1) % 2 = 0) then '女' else '男' end ) where len([身份证])=18 and left(right([身份证],2),1)<>'X'
update [表名] set [性别]=(case when (right([身份证],1) % 2 = 0) then '女' else '男' end ) where len([身份证])=15 and right([身份证],1)<>'X'
update [表名] set [出生日期]=(right(left([身份证],10),4)+'-'+right(left([身份证],12),2)+'-'+right(left([身份证],14),2)) where len([身份证])=18
update [表名] set [出生日期]=(''+right(left([身份证],8),2)+'-'+right(left([身份证],10),2)+'-'+right(left([身份证],12),2)) where len([身份证])=15
update [表名] set [年龄]=year(getdate())-(cast(left([出生日期],4) as int)) where [出生日期]<>''
#字符串格式化为日期格式
SELECT DATE_FORMAT('','%Y-%m-%d') #---知道出生日期求年龄
SELECT TIMESTAMPDIFF(YEAR,DATE_FORMAT('','%Y-%m-%d'),CURDATE()); #截取身份证号中的年月日
SELECT SUBSTR('',7,8);
SELECT SUBSTR('',7,6) #连接字符串
SELECT CONCAT('','') #截取身份证号中的年月日 1
SELECT IF (LENGTH('')=18,
SUBSTR('',7,8),
CONCAT('',SUBSTR('',7,6))
);
#截取身份证号中的年月日 2
SELECT IF (LENGTH('')=18,
SUBSTR('',7,8),
CONCAT('',SUBSTR('',7,6))
);
#根据身份证号计算年龄
SELECT TIMESTAMPDIFF(YEAR,
DATE_FORMAT( IF (LENGTH('')=18,
SUBSTR('',7,8),
CONCAT('',SUBSTR('',7,6))
),'%Y-%m-%d'),
CURDATE());
update @T
set nl = case when len(ltrim(rtrim(sfz))) = 18 then cast(Year(GetDate()) as int)- cast(substring(ltrim(rtrim(sfz)),7,4) as int)
else cast(Year(GetDate()) as int)- cast(''+substring(ltrim(rtrim(sfz)),7,2) as int) end