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2.1

The_checkout_station1 Code_train Name_train Departure_date Departure_time   Date_of_arrival Time_of_arrival Date_of_ticket_purchase The_room_ticket_service The_ticket_number Room_space Class Ticket_price The_number_of_flights   The_type_of_train Passenger_Code / /   / / /        
Schedule Schedule_code   No_trains Days_of_operation   Time_of_departure   Time_of_arrival /   /   /
Information_about_passenger1 Code   Passenger_name     Passport_number Passport_issue_date   Passport_issued_by   , ,     /  
Route Route_code No_trains Primary_station   Intermediate_station   Terminal_station    
Station Station_code   Station_name   Time_of_arrival   Time_of_departure     The_Parking_lot     /   /     /

 

 


 

2.2 ER

 

 

2.ER-

 


 





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