[SQL ] 查詢最新一筆資料!!

[teddypig ()]

我要找出此票號的最新一筆紀錄
我的SQL語法是

SELECT MAX(in_date) AS Expr1, TWorkType_id, Bticket_Num, Eticket_Num
FROM   Ticket_Manage
WHERE  (Bticket_Num = '1347001') AND (Eticket_Num = '1347100')
GROUP BY TWorkType_id, Bticket_Num, Eticket_Num

但是我查出來是兩筆資料
請問我哪裡有出錯了嗎?

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