Question

我有4张桌子

表1 - 绘图提交-DTS

SUBMISSION-ID, 
DRAWING-ID,
INWARD-ID,
REVISION NO,
COMMENT DATE,
COMMENTS FORWARDED TO WED,
STATUS OF DRWG,
RECVD AT FFM,
REMARKS,
Last,
Remarks2,
Drawing Sheet,

表2 - DRAWING-MAIN-DTS

DRAWING-ID,
DRAWING CSD NO,
DRAWING TITLE,
ENGINEER INCHARGE,

表3 - LI项目

PROJECT TITLE,
LI PROJECT NO,

表4 - 内向

INWARD-ID,
REFERENCE NO,
LI PROJECT NO,
TYPE OF INCOMING DOC,

所有表格都与该表格中的一个字段相关。

表4中的参考编号，表2中的绘制CSD编号和表3中的LI项目编号是唯一的。

当绘图CSD否将具有新的修订号时，将生成新的参考号。在特定图纸CSD编号

的最后参考编号上检查图纸CSD编号是否延迟

我想要表4中的最后一个参考号，表1中FFM的DRWG和Recvd的状态，表2中的工程师充电和绘图标题作为结果。我们只给出LI Project No作为输入。

Answer 1

你可能已经使用简单的拖拽和放大器完成了这项工作。删除“访问风格”UI（虽然我很少建议除了完整的初学者）。我猜测[LI PROJECT NO]是一个整数字段......

CREATE PROC dbo.GetLIProjectInfo (@LIProjNo INT)
AS
-- I got this from stackoverflow.com, see http://stackoverflow.com/questions/12559023/sql-server-2008-subquery-with-multiple-tables
BEGIN
   SELECT TOP (1)
      i.[REFERENCE NO],
      ds.[STATUS OF DRWG],
      ds.[RECVD AT FFM],
      dm.[DRAWING TITLE],
      dm.[ENGINEER INCHARGE]
   FROM dbo.[DRAWING SUBMISSIONS-DTS] AS ds
   JOIN dbo.[DRAWING-MAIN-DTS] AS dm
     ON dm.[DRAWING-ID] = ds.[DRAWING-ID]
   JOIN dbo.[Inward] AS i
     ON i.[INWARD-ID] = ds.[INWARD-ID]
   JOIN dbo.[LI PROJECTS] AS p
     ON p.[LI PROJECT NO] = i.[LI PROJECT NO]
   WHERE i.[LI PROJECT NO] = @LIProjNo
   ORDER BY i.[REFERENCE NO] DESC;
END

编辑：

对于每[DRAWING CSD NO]行，您需要确定是否希望LIProjNo过滤器过滤图纸列表或仅过滤项目列表。

CREATE PROC dbo.GetLIProjectInfo (@LIProjNo INT)
AS
-- I got this from stackoverflow.com, see http://stackoverflow.com/questions/12559023/sql-server-2008-subquery-with-multiple-tables
BEGIN
   SELECT *
   FROM 
   (SELECT DISTINCT [DRAWING CSD NO]
     FROM dbo.[DRAWING-MAIN-DTS]) AS csd
   OUTER APPLY --Could be CROSS APPLY if you need
   (SELECT TOP (1)
      i.[REFERENCE NO],
      ds.[STATUS OF DRWG],
      ds.[RECVD AT FFM],
      dm.[DRAWING TITLE],
      dm.[ENGINEER INCHARGE]
   FROM dbo.[DRAWING SUBMISSIONS-DTS] AS ds
   JOIN dbo.[DRAWING-MAIN-DTS] AS dm
     ON dm.[DRAWING-ID] = ds.[DRAWING-ID]
   JOIN dbo.[Inward] AS i
     ON i.[INWARD-ID] = ds.[INWARD-ID]
   JOIN dbo.[LI PROJECTS] AS p
     ON p.[LI PROJECT NO] = i.[LI PROJECT NO]
   WHERE i.[LI PROJECT NO] = @LIProjNo
   AND dm.[DRAWING CSD NO] = csd.[DRAWING CSD NO]
   ORDER BY i.[REFERENCE NO] DESC) as inf
   ORDER BY csd.[DRAWING CSD NO];
END

编辑：

因为您只需要与提供的项目相关的图纸：

CREATE PROC dbo.GetLIProjectInfo (@LIProjNo INT)
AS
-- I got this from stackoverflow.com, see http://stackoverflow.com/questions/12559023/sql-server-2008-subquery-with-multiple-tables
BEGIN
   WITH Numbered AS (
   SELECT 
      ROW_NUMBER() OVER (PARTITION BY dm.[DRAWING CSD NO] ORDER BY i.[REFERENCE NO] DESC) AS RowNum,
      i.[REFERENCE NO],
      ds.[STATUS OF DRWG],
      ds.[RECVD AT FFM],
      dm.[DRAWING TITLE],
      dm.[ENGINEER INCHARGE]
   FROM dbo.[DRAWING SUBMISSIONS-DTS] AS ds
   JOIN dbo.[DRAWING-MAIN-DTS] AS dm
     ON dm.[DRAWING-ID] = ds.[DRAWING-ID]
   JOIN dbo.[Inward] AS i
     ON i.[INWARD-ID] = ds.[INWARD-ID]
   JOIN dbo.[LI PROJECTS] AS p
     ON p.[LI PROJECT NO] = i.[LI PROJECT NO]
   WHERE i.[LI PROJECT NO] = @LIProjNo
   )
   SELECT *
   FROM Numbered
   WHERE RowNum = 1;
END

具有多个表的SQL Server 2008子查询

1 个答案: