select email_id
from dotlrn_member_emails
where community_id = :community_id
and type = 'on join'
insert into
dotlrn_member_emails
(community_id, type, from_addr, subject, email)
values
(:community_id, 'on join', :from_addr, :subject, :email)
select from_addr,
subject,
email
from dotlrn_member_emails
where email_id = :email_id
update dotlrn_member_emails
set from_addr = :from_addr,
subject = :subject,
email = :email
where email_id = :email_id