SELECT uid,nick_name,achievement FROM user_info ui WHERE nick_name LIKE '牛客%号' AND achievement BETWEEN 1200 AND 2500 AND uid IN (SELECT DISTINCT uid FROM( SELECT uid,MAX(DATE_FORMAT(start_time,'%Y%m')) OVER(PARTITION BY uid) AS rn FROM( SELECT uid,start_time FROM exam_record UNION ALL SELECT uid,submit_time AS start_time FROM practice_record )t1 )t2 WHERE rn=202109 )



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