select user_id from ( select user_id, date_sub(date(log_time), interval rk day) as cnt_date from ( select a.user_id,log_time, row_number() over (partition by user_id order by log_time asc) as rk from register_tb a left join login_tb b using(user_id) ) t1 ) t2 group by user_id having count(1)>=3 o...