MYSQL在线会员在过去30天内

Question

如何使用1274147184格式的“lastOnline”列从我的数据库中获取过去30天内登录的成员数？

Answer 1

select 
count(*) as users 
from table 
where from_unixtime(lastonline) >= now() - interval 30 day

Answer 2

SELECT * FROM table WHERE lastOnline > (UNIX_TIMESTAMP(NOW()) - (3600*24*30));