SQL我要總結所有這些款項

Question

, sum(CASE WHEN Department = 00540 THEN PRICE * UNITS ELSE 0 END) AS AMBULANCECHARGES 
, sum(CASE WHEN Department = 00370 THEN PRICE * UNITS ELSE 0 END) AS ANESTHESIACHARGES 
, sum(CASE WHEN Department = 00380 THEN PRICE * UNITS ELSE 0 END) AS BLOODBANKCHARGES 
, sum(CASE WHEN Department = 00389 THEN PRICE * UNITS ELSE 0 END) AS COMPATIBILITYTESTCHARGES 
, sum(CASE WHEN Department = 00350 THEN PRICE * UNITS ELSE 0 END) AS CTSCANCHARGES 

Answer 1

解決方案1：

你可以把所有這一切都爲子查詢，然後創建像這樣一個計算列：

SELECT grand_total = (AMBULANCECHARGES + ANESTHESIACHARGES ... CTSCHARGES) 
FROM (your query here) AS a 

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解決方案2：

You ca Ñ插入所有的數據到一個臨時表，然後做加法上，像這樣：

步驟1：

SELECT * 
INTO #test_temp_1 
FROM (your query here) 

步驟2：

SELECT grand_total = (AMBULANCECHARGES + ANESTHESIACHARGES ... CTSCHARGES) 
FROM #test_temp_1