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我有3個表,選擇不相關的項目
user { id, name, email }
games { id, name, icon }
user_games {id_user, id_game}
我whant選擇遊戲用戶不已經。
這是我最好的嘗試,但什麼都不返回。但最後不要給出錯誤訊息XD
SELECT a.*
FROM games a
LEFT JOIN user_games b ON a.id IN (b.id_game) AND '1' IN (b.id_user)
WHERE (b.id_game IS NULL) AND b.id_user <> '1'
請大家幫忙。
非常感謝 – 2013-04-09 22:39:18