我可以得到一點幫助。查詢的結果不是崩潰
查詢是這樣:在進階
SELECT
SUBSTR(house.nr,1,3), SUM(road.quantity),
COUNT(people.name), goods.price*sum(road.quantity) /goods.quantity
FROM home, road, house, goods, people
WHERE home.hoid = road.roid
AND home.hrid = house.nrid
AND road.gdsid = goods.goodsid
AND goods.nmid = people.nameid
GROUP BY SUBSTR(nr,1,3), people.name, goods.price, road.quantity, goods.quantity
ORDER BY SUBSTR(nr,1,3)
感謝。
請仔細閱讀http://meta.stackoverflow.com/questions/285551/why-may-i-not-upload-images-of-code-on -so-when-asking-question-285557和接受的答案 –
這些圖像代表什麼?您獲得的實際數據和所需結果? – Aleksej
最重要的一個是查詢的輸出,一個波紋管是我想要得到的。 –