mysql 查詢不一樣用戶 最新的一條日誌記錄/mysql查詢 不一樣用戶 最近一條記錄

select a.id,a.start_time,a.online_time,a.end_time,a.user_id from ( SELECT id,start_time,online_time,end_time,user_id FROM logonlinetb where businessId = '05051357441470000' and group_id = '11071459147

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