mysqli - Send member reminder based on their last login SQL statement -


member table columns [id, email, join_date]

member login table columns [m_id, date]

every time user logs in, new row created in member login table.

i trying send them email reminder when have not logged in 30 days. stuck trying list of users [email addresses], tables listed, based on last time logged in.

any appreciated.

select distinct members.email, max(member_login.date_login)   members inner join member_login on members.id = member_login.m_id group members.email having max(member_login.date_login) < curdate - interval 30 days

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