TPA คืออะไร ไม่จำเป็นต้องใช้ทุกตาราง
what is TPAIt is not neccessary to use all the tables.
 restriction:  restriction_code [ text]  advance_purchase [ int]  stopovers [ text]  saturday_stay_required [ text]  minimum_stay [ int]  maximum_stay [ int]  application [ text]  no_discounts [ text] 
SELECT DISTINCT airport_code FROM airport WHERE airport_code = 'TPA'