我有一个关于SQL Server的问题:如何获取男女数据的交替数据
CREATE TABLE [dbo].[EmpGenders]
(
[id] [INT] NULL,
[Name] [VARCHAR](50) NULL,
[Gender] [VARCHAR](50) NULL
)
INSERT INTO [dbo].[EmpGenders] ([id], [Name], [Gender])
VALUES (1, N'Manish', N'Male'), (2, N'Nayak', N'Male'),
(3, N'Martin', N'Male'), (4, N'Roy', N'Male'),
(5, N'Hardik', N'Male'), (6, N'Manisha', N'Female'),
(7, N'Kruti', N'Female'), (8, N'Maria', N'Female')
根据上面的数据,我想要这样的输出:
Id | Name | Gender
---+---------+---------
1 | Manish | Male
6 | Manisha | Female
2 | Nayak | Male
7 | Kruti | Female
3 | Martin | Male
8 | Maria | Female
4 | Roy | Male
5 | Hardik | Male
我试过这个 SQL 语句:
select
id, name, gender
from
(select
*,
row_number() over (order by id, gender) as rn
from
[Test].[dbo].[EmpGenders]) a
where
rn % 2 = 1
union all
select
id, name, gender
from
(select
*, row_number() over (order by id desc, gender desc) as rn
from
[Test].[dbo].[EmpGenders]) a
where
rn % 2 = 0
但该查询未返回预期结果。
能否请您告诉我如何在 SQL Server 中编写查询来完成此任务?
最佳答案
你能不能不...
SELECT *
FROM EmpGenders
ORDER BY ROW_NUMBER() OVER(PARTITION BY Gender ORDER BY Id),
Gender DESC;
关于sql-server - 如何在SQL Server中选择男性和女性,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/55313382/