Sql MS Access联合数据筛选器和条件
我一直在寻找一种解决方案来合并两个表并计算其条目,这就是我找到这段代码的原因: 它可以工作,但是,我还需要过滤它并添加一个条件 我所拥有的: 表存货Sql MS Access联合数据筛选器和条件,sql,ms-access,Sql,Ms Access,我一直在寻找一种解决方案来合并两个表并计算其条目,这就是我找到这段代码的原因: 它可以工作,但是,我还需要过滤它并添加一个条件 我所拥有的: 表存货 Action_A Date_Action_A Action_B Date_Action_B Type Item1 Date Item2 Date A Item2 Date Item5 Date A Item3 Date
Action_A Date_Action_A Action_B Date_Action_B Type
Item1 Date Item2 Date A
Item2 Date Item5 Date A
Item3 Date Item3 Date B
and so on, all combinations
表格类型
Type Team
A Team1
B Team2
我能够编码的内容(如果Item1有来自03-08-17和03-08-17的条目,我有两行):
我需要下表和标准,只显示在同一周内添加的条目(合并同一周内涉及一个项目的条目)
我需要这个,因为以后我想制作一个图表并按团队进行筛选,如果可能的话,还可以按一周进行筛选。(显示第30周或第30周和第31周的条目)
我的代码(缺少“团队”列,但它显示了几个星期):
编辑
因此,似乎我需要在给定的行中始终具有日期a和日期B中的同一周
现在我有这样的情况:
Items Count_Action_A Count_Action_B Week_A Week_B Team
Item1 1 1 Week31 Week31 Team1
Item1 1 1 Week31 Week32 Team1
我需要将行动A和行动B组合到同一周,如下所示:
Items Count_Action_A Count_Action_B Week_A Week_B Team
Item1 2 1 Week31 Week31 Team1
Item1 0 1 Week32 Week32 Team1
可能吗
Edit2
分组过程:
Items Count_Action_A Count_Action_B Week_A Week_B
Item1 1 1 Week31 Week31 - OK, stays
Item1 1 1 Week30 Week31 - is transferred to: item1 1 0 Week30 Week30 and item1 0 1 Week31 Week31
编辑3:
我已经将表类型更改为类型_Tbl,它现在有两列:类型_Typ和团队。在表Inventory中,我将列类型更改为类型_Inv。因此,据我所知,目前我没有使用任何受限SQL单词。问题在于您的第二个查询,我得到消息“Reference to field”Team“可以引用FROM函数中列出的多个表”
修改了第一个查询(第二个查询没有更改)
编辑答案:
我们将采用两步方法
步骤1:规范化数据,加入团队,避免使用SQL关键字作为列名。将此查询另存为NormalizedData
SELECT Items, TheAction, Date_Action, Week, Action_Type, AOrB, Team
FROM
(SELECT Action_A AS Items, Action_A As TheAction, Date_Action_A As Date_Action, DatePart("ww",[Date_Action_A]) As Week, [Type] As Action_Type, "A" As AOrB
From Inventory
UNION ALL
SELECT Action_B AS Items, Action_B As TheAction, Date_Action_B As Date_Action, DatePart("ww",[Date_Action_B]) As Week, [Type] As Action_Type, "B" As AOrB
From Inventory) As A INNER JOIN [Type] ON ([Type].[Type] = A.Action_Type)
第2步:正确地对数据进行反规范化和计数
SELECT A.Items, Count_Action_A, Count_Action_B, A.Week As Week_A, A.Week As Week_B, A.Team
FROM
(SELECT Items, Count(TheAction) As Count_Action_A, Week, Team FROM NormalizedData WHERE AOrB = "A" GROUP By Items, Team, Week) As A
LEFT JOIN (SELECT Items, Count(TheAction) As Count_Action_B, Week, Team FROM NormalizedData WHERE AOrB = "B" GROUP By Items, Team, Week) AS B ON A.Items = B.Items AND A.Week = B.Week
UNION
SELECT B.Items, 0 As Count_Action_A, Count_Action_B, B.Week As Week_A, B.Week As Week_B, B.Team
FROM
(SELECT Items, Count(TheAction) As Count_Action_B, Week, Team FROM NormalizedData WHERE AOrB = "B" GROUP By Items, Team, Week) AS B
LEFT JOIN (SELECT Items, Count(TheAction) As Count_Action_A, Week, Team FROM NormalizedData WHERE AOrB = "A" GROUP By Items, Team, Week) As A ON A.Items = B.Items AND A.Week = B.Week
WHERE A.Items Is Null
Items Count_Action_A Count_Action_B Week_A Week_B
Item1 1 1 Week31 Week31 - OK, stays
Item1 1 1 Week30 Week31 - is transferred to: item1 1 0 Week30 Week30 and item1 0 1 Week31 Week31
SELECT Items, TheAction, Date_Action, Week, Action_Type, AOrB, Team
FROM (SELECT Items, Action_A As TheAction, Date_Action_A As Date_Action, DatePart("ww",[Date_Action_A]) As Week, Type_Inv As Action_Type, "A" As AOrB From Inventory
UNION ALL
SELECT Items, Action_B As TheAction, Date_Action_B As Date_Action, DatePart("ww",[Date_Action_B]) As Week, Type_Inv As Action_Type, "B" As AOrB
From Inventory) AS A INNER JOIN Type_Tbl ON Type_Tbl.[Type_Type]=A.Action_Type;
SELECT Items, TheAction, Date_Action, Week, Action_Type, AOrB, Team
FROM
(SELECT Action_A AS Items, Action_A As TheAction, Date_Action_A As Date_Action, DatePart("ww",[Date_Action_A]) As Week, [Type] As Action_Type, "A" As AOrB
From Inventory
UNION ALL
SELECT Action_B AS Items, Action_B As TheAction, Date_Action_B As Date_Action, DatePart("ww",[Date_Action_B]) As Week, [Type] As Action_Type, "B" As AOrB
From Inventory) As A INNER JOIN [Type] ON ([Type].[Type] = A.Action_Type)
SELECT A.Items, Count_Action_A, Count_Action_B, A.Week As Week_A, A.Week As Week_B, A.Team
FROM
(SELECT Items, Count(TheAction) As Count_Action_A, Week, Team FROM NormalizedData WHERE AOrB = "A" GROUP By Items, Team, Week) As A
LEFT JOIN (SELECT Items, Count(TheAction) As Count_Action_B, Week, Team FROM NormalizedData WHERE AOrB = "B" GROUP By Items, Team, Week) AS B ON A.Items = B.Items AND A.Week = B.Week
UNION
SELECT B.Items, 0 As Count_Action_A, Count_Action_B, B.Week As Week_A, B.Week As Week_B, B.Team
FROM
(SELECT Items, Count(TheAction) As Count_Action_B, Week, Team FROM NormalizedData WHERE AOrB = "B" GROUP By Items, Team, Week) AS B
LEFT JOIN (SELECT Items, Count(TheAction) As Count_Action_A, Week, Team FROM NormalizedData WHERE AOrB = "A" GROUP By Items, Team, Week) As A ON A.Items = B.Items AND A.Week = B.Week
WHERE A.Items Is Null