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我幾個小時試圖進行查詢,但我沒有成功! :(MySQL - 選擇查詢
與此查詢我選擇users_id
併購買了由關鍵用戶的purchase_date
:
SELECT user_id, purchase_date FROM purchases AS p
INNER JOIN keys AS pc
ON p.transaction_id = pc.unique_id
WHERE pc.generator_id = 96768
GROUP BY user_id
現在我想從這些用戶後,該誰買選擇 例如:SELECT * FROM purchases WHERE user_id = {users of query above} AND purchase_date > {purchase_date of query above}