yaozhanggaogao 2021-06-20 15:27 采纳率: 66.7%
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请问怎么把两个分组查询表拼接在一起,并且进行运算?请教各路大神!

第一个查询

SELECT
	[询盘表].[来源], 
	sum(case when [询盘表].[询盘日期]>= '2021-05-01'  and [询盘表].[询盘日期] <= '2021-05-31' then 1 else 0 end) AS [询盘], 
	sum(case when [询盘表].[询盘日期]>= '2021-05-01'  and [询盘表].[询盘日期] <= '2021-05-31' and [询盘表].[有效否] = '有' then 1 else 0 end) AS [有效], 
	sum(case when [询盘表].[上门日期]>= '2021-05-01'  and [询盘表].[上门日期] <= '2021-05-31' then 1 else 0 end) AS [上门], 
	sum(case when [询盘表].[交定日期]>= '2021-05-01'  and [询盘表].[交定日期] <= '2021-05-31' then 1 else 0 end) AS [交定], 
	sum(case when [询盘表].[施工日期]>= '2021-05-01'  and [询盘表].[施工日期] <= '2021-05-31' then 1 else 0 end) AS [施工]
FROM
	dbo.[询盘表]
GROUP BY
	[询盘表].[来源]

 

 

第二个查询

SELECT
	[株洲消费表].[来源], 
	sum(case when [株洲消费表].[日期]>= '2021-05-01'  and [株洲消费表].[日期] <= '2021-05-31' then [株洲消费表].[消费] else 0 end) as '消费', 
	sum(case when [株洲消费表].[日期]>= '2021-05-01'  and [株洲消费表].[日期] <= '2021-05-31' then [株洲消费表].[点击] else 0 end) as '点击', 
	sum(case when [株洲消费表].[日期]>= '2021-05-01'  and [株洲消费表].[日期] <= '2021-05-31' then [株洲消费表].[展现] else 0 end) as '展现'
FROM
	dbo.[株洲消费表]
GROUP BY
	[株洲消费表].[来源]

 

 

怎么按来源拼接在一起,并且每个列之间可以进行算数运算等到下面的表:

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2条回答 默认 最新

  • 文盲老顾 WEB应用领新星创作者 2021-06-20 16:09
    关注

      

    select a.*,b.消费,b.点击,b.展现
    from (
    	SELECT
    		[询盘表].[来源], 
    		sum(case when [询盘表].[询盘日期]>= '2021-05-01'  and [询盘表].[询盘日期] <= '2021-05-31' then 1 else 0 end) AS [询盘], 
    		sum(case when [询盘表].[询盘日期]>= '2021-05-01'  and [询盘表].[询盘日期] <= '2021-05-31' and [询盘表].[有效否] = '有' then 1 else 0 end) AS [有效], 
    		sum(case when [询盘表].[上门日期]>= '2021-05-01'  and [询盘表].[上门日期] <= '2021-05-31' then 1 else 0 end) AS [上门], 
    		sum(case when [询盘表].[交定日期]>= '2021-05-01'  and [询盘表].[交定日期] <= '2021-05-31' then 1 else 0 end) AS [交定], 
    		sum(case when [询盘表].[施工日期]>= '2021-05-01'  and [询盘表].[施工日期] <= '2021-05-31' then 1 else 0 end) AS [施工]
    	FROM
    		dbo.[询盘表]
    	GROUP BY
    		[询盘表].[来源]
    ) a
    left join (
    	SELECT
    		[株洲消费表].[来源], 
    		sum(case when [株洲消费表].[日期]>= '2021-05-01'  and [株洲消费表].[日期] <= '2021-05-31' then [株洲消费表].[消费] else 0 end) as '消费', 
    		sum(case when [株洲消费表].[日期]>= '2021-05-01'  and [株洲消费表].[日期] <= '2021-05-31' then [株洲消费表].[点击] else 0 end) as '点击', 
    		sum(case when [株洲消费表].[日期]>= '2021-05-01'  and [株洲消费表].[日期] <= '2021-05-31' then [株洲消费表].[展现] else 0 end) as '展现'
    	FROM
    		dbo.[株洲消费表]
    	GROUP BY
    		[株洲消费表].[来源]
    ) b on a.来源=b.来源
    
    

    这个是不同表之间的数据,你可以用来源进行关联查询

    本回答被题主选为最佳回答 , 对您是否有帮助呢?
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