ข้อจำกัดคืออะไร ap68ไม่จำเป็นต้องใช้ตารางทั้งหมด
what 's restriction ap68It is not neccessary to use all the tables.
 city:  city_code [ varchar]  city_name [ varchar]  state_code [ varchar]  country_name [ varchar]  time_zone_code [ varchar] 
SELECT DISTINCT advance_purchase, application, maximum_stay, minimum_stay, no_discounts, restriction_code, saturday_stay_required, stopovers FROM restriction WHERE restriction_code = 'AP/68'