SQL 从身份证号得到出生日期、年龄、男女

select  CONVERT(varchar(), CONVERT(smalldatetime, SUBSTRING(b.IDCard, , )), ) AS BrithDate_Name,
        DATEDIFF(year, CONVERT(smalldatetime, SUBSTRING(ISNULL(b.IDCard, ), , )), GETDATE()) AS Age_Name,
        CASE LEFT(RIGHT(b.IDCard, ), ) %  WHEN  THEN '男' ELSE '女' END AS Sex_Name,
 b.IDCard from dbo.tbEmployee b where len(b.IDCard)=

select  CONVERT(varchar(), CONVERT(smalldatetime, SUBSTRING(IDCard, , )), ) AS BrithDate_Name,
                      DATEDIFF(year, CONVERT(smalldatetime, SUBSTRING(ISNULL(IDCard, ), , )), GETDATE()) AS Age_Name,
                      CASE LEFT(RIGHT(IDCard, ), ) %  WHEN  THEN '男' ELSE '女' END AS Sex_Name,
        IDCard,* from dbo.tbEmployee  where len(IDCard)=