123

select rct.initial_date, rop.activation_time, rct.end_date, rt.tariff_name
from ro_product as rp
join ro_contract_tariff as rct on rct.contract_id = rp.contract_id
join ro_ofd_pin as rop on rop.contract_tariff_id = rct.contract_tariff_id
join ro_tariff as rt on rt.tariff_id = rct.tariff_id
where rp.product_type_id = 20