sql中带有连接的计数查询

我尝试在SQL中创建计数查询，并尝试在任何用户在asp.net中上载新文档时向主管、经理和主管显示通知

质疑

ALTER procedure [dbo].[countdocuments]
   @DepID int
as
    SELECT 
       COUNT(*),
       Designation.DesigID
    FROM DocumentInfo
    INNER JOIN dbo.Userss ON dbo.Userss.DesigID = dbo.Designation.DesigID
    WHERE 
       Userss.DesigID = 'Finance'

但当我执行它时，会出现以下错误

Msg 4104，16级，状态1，程序文件，第7行 无法绑定多部分标识符dbo.Designation.DesigID。 Msg 4104，16级，状态1，程序文件，第5行 无法绑定多部分标识符Designation.DesigID

好的，这是我的指定表

这是documentinfo表

这是userss表

当我尝试这个查询时

ALTER procedure [dbo].[countdocuments]
    @DepID int
as
BEGIN
    SET NOCOUNT ON;

    SELECT 
        COUNT(*) AS Cnt, Designation.DesigID
    FROM 
        Designation 
    INNER JOIN 
        dbo.Userss ON dbo.Userss.DesigID = dbo.Designation.DesigID
    WHERE 
        Userss.DesigID = @DepID
    GROUP BY 
        Designation.DesigID
END

当我试图用@depid=4执行类似的操作时，这会让我看到这样的结果，我不明白4是从哪里来的

Cnt  DesigID
 4     4

---

在youjoin子句和ON子句中有不同的表名。假设您在DocumentInfo表中有DesigID列，我已尝试修复它。

查看您的注释，请尝试以下操作

ALTER procedure [dbo].[countdocuments]
@DepID int
as
BEGIN
SET NOCOUNT ON;
SELECT COUNT(*) AS Cnt,Designation.DesigID
FROM Designation left join dbo.Userss 
on dbo.Userss.DesigID = dbo.Designation.DesigID
left Join DocumentInfo on Userss.UserId= DocumentInfo.UserId and Designation.DepId = DocumentInfo.DepId
WHERE Userss.DesigID = @DepID
GROUP BY Designation.DesigID

END

或者试试下面

Looking at your comment try following

ALTER procedure [dbo].[countdocuments]
@DepID int
as
BEGIN
SET NOCOUNT ON;
SELECT COUNT(*) AS Cnt,Designation.DesigID
FROM DocumentInfo  left Join Userss on DocumentInfo.UserId = Userss.UserId
left Join Designation on DocumentInfo.DepId = Designation.DeptId
and Designation.DesigID = Userss.DesigId
WHERE Userss.DesigID = @DepID
GROUP BY Designation.DesigID

END

---

+5:哦，没有人回答我……：/这是因为它无法在表指定中找到列名称DesigId。指定表格在哪里？或者，您是想将别名作为指定表放在DocumentInfo中吗？能否提供架构？在documnet信息表中，没有名为desigid的coulmn。desigid仅在Users表中，而在desig表中有两列，一列是desigid，另一列是desigtypein DocumentInfo表中没有一列desigid。那么，您为什么要添加DocumentInfo桌子连接到设计表的位置在哪里？@user3134694用户和设计表之间的关系是什么？当所有用户注册时，他/她的设计将保存在表中..并确定哪个用户属于哪个用户designations@user3134694我在问你可以在用户和指定表之间链接哪一列？我只在用户和指定表中有desigid coulmnTable您和我的答案将不起作用，因为他已经说过他在documentInfo中没有DesigIdtable@user3134694DocumentInfo中是否有任何列引用了名称中的任何列？？？@user3134694能否更新您的问题，并提供有关所有三个表及其表中列的信息，和表中的外键。

Cnt  DesigID
 4     4

ALTER procedure [dbo].[countdocuments]
@DepID int
as
BEGIN
  SET NOCOUNT ON;
    SELECT COUNT(*) AS Cnt,Designation.DesigID
    FROM DocumentInfo inner join dbo.Userss 
    on dbo.Userss.DesigID = dbo.DocumentInfo.DesigID
    WHERE Userss.DesigID = @DepID
    GROUP BY DocumentInfo.DesigID

END

ALTER procedure [dbo].[countdocuments]
@DepID int
as
BEGIN
SET NOCOUNT ON;
SELECT COUNT(*) AS Cnt,Designation.DesigID
FROM Designation left join dbo.Userss 
on dbo.Userss.DesigID = dbo.Designation.DesigID
left Join DocumentInfo on Userss.UserId= DocumentInfo.UserId and Designation.DepId = DocumentInfo.DepId
WHERE Userss.DesigID = @DepID
GROUP BY Designation.DesigID

END

Looking at your comment try following

ALTER procedure [dbo].[countdocuments]
@DepID int
as
BEGIN
SET NOCOUNT ON;
SELECT COUNT(*) AS Cnt,Designation.DesigID
FROM DocumentInfo  left Join Userss on DocumentInfo.UserId = Userss.UserId
left Join Designation on DocumentInfo.DepId = Designation.DeptId
and Designation.DesigID = Userss.DesigId
WHERE Userss.DesigID = @DepID
GROUP BY Designation.DesigID

END