mysql 查询当天的访问次数

如果是SQL，可以这样写

select count(*) from table where datediff(d,时间,getdate())=0

不知道MYSQL一不一样

select count(c) as c2 from (select date(time_happend) as c from users_operation_history as v_table ) v_table group by c order by c2 desc limit 1

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