~ Tiez Notes ~

select aa.umur_anak, count(aa.umur_anak) as jumlah
from
(
select ch.child_id, cu.customer_id, ch.child_name, ch.child_birthday,
            PERIOD_DIFF(DATE_FORMAT('2010-11-30','%Y%m'),DATE_FORMAT(ch.child_birthday,'%Y%m')) as umur_anak, cl.calling_result_id,
            cu.customer_address, cu.customer_phone, cu.customer_phone_2
from children ch
inner join  customer cu  on ch.customer_id = cu.customer_id
inner join  calling cl on cl.customer_id = cu.customer_id
where ((ch.child_birthday >= (date_sub(curdate(), interval 37 month)))
and (ch.child_birthday <= (date_sub(curdate(), interval 0 month))))
and (ch.child_birthday<> '0000-00-00' or ch.child_birthday like '0001-00-00')
and cl.validation_id='1'
and cu.followup_status = '1'
and cl.calling_result_id = '1'
and (select ca2.calling_strike_id from calling ca2 where ca2.customer_id = cu.customer_id and ca2.phone_date = (select max(ca1.phone_date) from calling ca1 where ca1.customer_id = cu.customer_id) limit 1) not in ('12', '17')
group by ch.child_id
order by ch.child_id, ch.child_birthday
-- limit 60000,60000
) aa
group by aa.umur_anak
order by aa.umur_anak