1

我不确定我是否正确编写了以下 SQL 语句?(使用 T-SQL)

我有两张桌子:

表 1:[dbo].[t_Orgnzs]

[id] = INT
[nm] = NVARCHAR(256)

表 2:[dbo].[t_Usrs]

[id] = INT
[ds] = NVARCHAR(256)
[oid] = INT (referenced [dbo].[t_Orgnzs].[id])

我需要从表 2 中选择元素,按从 1 到 16 的 [oid] 列排序,但问题是 [oid] 引用了表 1 中的字符串,我实际上需要将其作为结果返回。

比如说,如果表格是这样布置的: 表 1:

id   nm
1    Name 1
2    Name 2
3    Name 3
4    Name 4

和表 2:

id   ds      oid
1    A       2
2    B       4
3    C       1

结果查询必须返回:

3 C Name 1
1 A Name 2
2 B Name 4

所以这是我正在使用的 SQL:

WITH ctx AS (
  SELECT [id],
         [ds],
         (SELECT [nm] FROM [dbo].[t_Orgnzs] WHERE [id]=[dbo].[t_Usrs].[oid]) AS organizName,
         ROW_NUMBER() OVER (ORDER BY organizName ASC) AS rowNum 
  FROM [dbo].[t_Usrs]
            )
             SELECT [id], [ds], organizName 
             FROM ctx 
             WHERE rowNum>=1 AND rowNum<=16;

我收到一个错误:“列名 'organizName' 无效。”

4

3 回答 3

1

在您的情况下,我不明白使用 ROW_NUMBER() 的含义。为什么?

CREATE TABLE [t_Orgnzs] ([id] int PRIMARY KEY, [nm] NVARCHAR(256))
GO

CREATE TABLE [t_Usrs] ([id] int, [ds] NVARCHAR(256), [oid] int FOREIGN KEY REFERENCES [t_Orgnzs]([id]))
GO

INSERT [t_Orgnzs] VALUES (1,'Name_1')
INSERT [t_Orgnzs] VALUES (2,'Name_2')
INSERT [t_Orgnzs] VALUES (3,'Name_3')
INSERT [t_Orgnzs] VALUES (4,'Name_4')
GO

INSERT [t_Usrs] VALUES (1,'A',2)
INSERT [t_Usrs] VALUES (2,'B',4)
INSERT [t_Usrs] VALUES (3,'C',1)
GO

SELECT * 
FROM [t_Orgnzs] 
INNER JOIN [t_Usrs] ON [t_Orgnzs].[id]=[t_Usrs].[oid] 
ORDER BY [oid]
于 2012-02-26T09:16:19.150 回答
0
SELECT TOP 16 * FROM [t_Orgnzs] 
INNER JOIN [t_Usrs]
ON [t_Orgnzs].[id] = [t_Usrs].[oid] 
ORDER BY [oid]
于 2012-02-26T10:44:49.223 回答
0

这个怎么样

select id, ds, nm
from
(
    select ROW_NUMBER() OVER (ORDER BY o.nm ASC) AS rowNum, u.id, u.ds, o.nm
    from t_Usrs u inner join t_Orgnzs o on (u.oid = o.id)
) t
 WHERE rowNum>=1 AND rowNum<=16;
于 2012-02-26T07:31:37.767 回答