SELECT *, Age= datediff(yy,cast(case when substring(PersonalId,,) ') /*若第7位不是'1'或'2'则表示是15位身份证编码规则*/ then substring(PersonalId,,) ,) end as datetime),getdate()) FROM Student WHERE datediff(yy,cast(case when substring(PersonalId,,) ') then substring(P
#region Linq to 泛型集合查询集合包括大写M和年龄小于等于18 //List<Student> list = new List<Student>(); //list.Add(new Student { Name = "Tom", Age = 17 }); //list.Add(new Student { Name = "Jerry", Age = 16 });
解决方案 找到MSSMS安装位置,例如我是安装到了D:\Program Files (x86)\Microsoft SQL Server Management Studio 18 将D:\Program Files (x86)\Microsoft SQL Server Management Studio 18\Common7\IDE\PrivateAssemblies\Interop文件夹下的Microsoft.VisualStudio.Shell.Interop.8.0.dll 复制到D:\P
IdentityNumber 是身份证号 年龄: ,), GETDATE()) / 365.25) as '推荐人年龄', 15位的身份证计算年龄: case when b.IdentityNumber IS null or b.IdentityNumber='' then '' ,), )) ,), )) else '' end as '推荐人年龄', 性别: ,) ) ) ) then '男' ,) ) ) ) then '女' else '' end as '推荐人性别',
select a.*,b.item_name from (select sum(buy_num) num,nqh from (select substr(a.embed_dis_province,1,10) dtime,b.buy_num,case substr(a.idcardcode,1,2) when '11' then '1100' when '12' then '1200' when '31' then '3100' when '50' then '5000' else substr(
SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO -- ============================================= -- Author: wgx -- Create date: <Create Date, ,> -- Description: <Description, ,> -- ============================================= CREATE FUNCTION