創建一個包含另一個選擇結果的列的視圖

我創建一個視圖，但我需要執行另一個選擇來填充該視圖的一列。這是我想使用視圖的查詢：創建一個包含另一個選擇結果的列的視圖

SELECT JOB, REL, PHASE, AVG(TCOUNT) AS AVGCOUNT, @NUMFRAMES AS NUMFRAMES, @NUMFRAMES/AVG(TCOUNT) AS REMAIN_DAYS 
FROM 
(SELECT 
    vwFRAME_TOTALS.JOB 
    ,vwFRAME_TOTALS.REL 
    ,vwFRAME_TOTALS.PHASE 
    ,vwFRAME_TOTALS.[DAY] 
    ,COUNT(vwFRAME_TOTALS.FR_ID) AS TCOUNT 
FROM 
    vwFRAME_TOTALS 
    GROUP BY JOB,REL,PHASE,DAY) 
AS COUNTS 
GROUP BY JOB, REL, PHASE

和@NUMFRAMES來自另一個SELECT，就像這樣：

SELECT @NUMFRAMES=count(*) FROM dbo.WFR

我怎麼能在一個語句做到這一點？

來源

2014-03-04 muttley91

公用表表達式可以使用：http://msdn.microsoft.com/en-us/library/ms175972.aspx –

SELECT JOB, REL, PHASE, AVG(TCOUNT) AS AVGCOUNT, (SELECT count(*) FROM dbo.WFR) AS NUMFRAMES, (SELECT count(*) FROM dbo.WFR)/AVG(TCOUNT) AS REMAIN_DAYS 
FROM 
(SELECT 
    vwFRAME_TOTALS.JOB 
    ,vwFRAME_TOTALS.REL 
    ,vwFRAME_TOTALS.PHASE 
    ,vwFRAME_TOTALS.[DAY] 
    ,COUNT(vwFRAME_TOTALS.FR_ID) AS TCOUNT 
FROM 
    vwFRAME_TOTALS 
    GROUP BY JOB,REL,PHASE,DAY) 
AS COUNTS 
GROUP BY JOB, REL, PHASE

來源

2014-03-04 22:14:17 Jayvee

這結束了工作。我忘了你可以在查詢的選擇部分放置一個子查詢。 – muttley91

由於我沒有自己的模式，所以我很難測試，但是會有這樣的工作嗎？

SELECT JOB, REL, PHASE, AVG(TCOUNT) AS AVGCOUNT, NUMFRAMES, @NUMFRAMES/AVG(TCOUNT) AS REMAIN_DAYS 
FROM 
(SELECT 
    vwFRAME_TOTALS.JOB 
    ,vwFRAME_TOTALS.REL 
    ,vwFRAME_TOTALS.PHASE 
    ,vwFRAME_TOTALS.[DAY] 
    ,COUNT(vwFRAME_TOTALS.FR_ID) AS TCOUNT 
FROM 
    vwFRAME_TOTALS 
    GROUP BY JOB,REL,PHASE,DAY) 
AS COUNTS 
INNER JOIN (SELECT count(*) as NUMFRAMES FROM dbo.WFR) AS FRAMES 
ON 1=1 
GROUP BY JOB, REL, PHASE

來源

2014-03-04 22:12:37

創建一個包含另一個選擇結果的列的視圖

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