mysql大量数据 mysql怎么获取最大值的那条记录 – 数据库 – 前端 mysql 创建索引 排序

SELECT

id,business_id,

max( allot_number )

FROM

( SELECT id,allot_number,create_time,business_id FROM bus_allot_record ORDER BY business_id, create_time DESC LIMIT 100000000 ) a

WHERE

create_time >= ‘-10-21 10:20:00’

AND create_time <= ‘-10-21 13:30:00’ and allot_number <> 1

GROUP BY

business_id ;