Airline ER
2
Problem Statement: Design a database for an airline ,the database must keep track of customers and their reservations, flights and their status, seat assignments on individual flights, and the schedule and routine of future flights. Your design should include an E-R diagram ,a set of relational schemas, and a list of constraints, including primary –key and foreign key constraints. Assumptions: Passenger cannot make cancellations. Entities: Passenger: This entity includes passenger details P- id,name,age address,e-mail. Airport:This entity includes Airport details like Airport code,name,city and country. Booking Office :It includes Office _Id and Office_name. Airplane :This entity includes Reg_No,Flight type,ans no of seats. Airlines :This entity represents the Airline Name and its owner. Flight: This entity includes details about the flights which comprises of Flight, Class –Eg:Business class, Economy class etc.,source and destination airports of flights,its departure date and time,arrival date and time. Relationships:
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Transcript of Airline ER
Problem Statement:
Design a database for an airline ,the database must keep track of customers and their reservations, flights and their status, seat assignments on individual flights, and the schedule and routine of future flights.
Your design should include an E-R diagram ,a set of relational schemas, and a list of constraints, including primary –key and foreign key constraints.
Assumptions:
Passenger cannot make cancellations.
Entities:
Passenger: This entity includes passenger details P-id,name,age address,e-mail.
Airport:This entity includes Airport details like Airport code,name,city and country.
Booking Office :It includes Office _Id and Office_name.
Airplane :This entity includes Reg_No,Flight type,ans no of seats.
Airlines :This entity represents the Airline Name and its owner.
Flight: This entity includes details about the flights which comprises of Flight, Class –Eg:Business class, Economy class etc.,source and destination airports of flights,its departure date and time,arrival date and time.
Relationships:
Books Ticket : It is a relationship between the Passenger and Booking office.
Lands On : It’s a relationship between the Airplane and Airport,it depicts which plane lands on which airport.
Owned By :It’s a relationship which shows which relationship between the Airplane and Airlines ie. Which airplane belongs to which Airlines.
Flies:is a relationship that tells which Flight flies under which Airline.
Travels on:It’s a relationship that tells us which flight travels on which routes ie. It shows the relationship between Flight and Route.
Charges :It’s a relationship between the Route and Fare entities.
Constraints: 1.Passport Id ie P-Id and Name cannot be null in Passenger table2.Airport code name cannot be null3.Flight no,Source Destination cannot be null4.Route no cannot be null.5.Airplane has total participation o Land on relationship.
