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我正在創建一個SQL語句,該語句將返回每個商店中可以找到的每個產品的列表和產品的數量。SELECT語句中的子查詢(MySQL)
我的表的結構(有一些樣本數據)如下:
productID - size - color - stock - storeID 1 - S - RED01 - 1 - BCN 1 - S - RED01 - 3 - MAD 2 - S - YEL02 - 0 - BCN 2 - S - YEL02 - 2 - MAD 1 - S - RED01 - 1 - BCN2
我需要類似這樣的結果:
productID - size - stockBCN (BCN + BCN2) - stockMAD 1 - S - 2 - 3 2 - S - 0 - 2
我使用這個語句,適用於獨特的產品
SELECT DISTINCT prodID, size,
(SELECT SUM(stock) FROM stocks WHERE storeID IN ('BCN','BCN2') AND prodID = 1 AND size = 'S' AND color = 'RED01' GROUP BY prodID, size, color) AS stockBCN,
(SELECT SUM(stock) FROM stocks WHERE storeID = 'MAD' AND prodID = 1 AND size = 'S' AND color = 'RED01' GROUP BY prodID, size, color) AS stockMAD,
FROM stocks WHERE storeID IN ('BCN','BCN2','MAD')
AND prodID = (1) AND size = 'S' AND color = 'RED01'
如何更改它使其適用於所有行電子表格?
該解決方案將執行好得多 – Kaii 2012-02-15 18:27:00
這正是我所需要的。謝謝! – 2012-02-16 07:29:44