This ER (Entity Relationship) Diagram represents the model of Airlines Reservation System Entity. The entity-relationship diagram of Airlines Reservation System shows all the visual instrument of database tables and the relations between Reservation, Ticket Booking, Airlines, Airline Enquiry etc. It used structure data and to define the relationships between structured data groups of Airlines Reservation System functionalities. The main entities of the Airlines Reservation System are Airlines, Reservation, Passengar, Ticket Booking, Employee and Airline Enquiry.
Airlines Reservation System entities and their attributes :
- Airlines Entity : Attributes of Airlines are airlines_id, airlines_type, airlines schedule_date, airlines_description
- Reservation Entity : Attributes of Reservation are reservation_id, reservation_type, reservation_date, reservation_description, reservation_passenger_id
- Passengar Entity : Attributes of Passengar are passenger_id, passenger_name, passenger_mobile, passenger_email, passenger_username, passenger_password, passenger_address
- Ticket Booking Entity : Attributes of Ticket Booking are ticket booking_id, ticket booking_type, ticket booking_Date, ticket booking_description
- Employee Entity : Attributes of Employee are employee_id, employee_name, employee_mobile, employee_email, employee_username, employee_password, employee_address
- Airline Enquiry Entity : Attributes of Airline Enquiry are airline enquiry,_id, airline enquiry,_title, airline enquiry,_type, airline enquiry,_date, airline enquiry,_description
Description of Airlines Reservation System Database :
- The details of Airlines is store into the Airlines tables respective with all tables
- Each entity (Airline Enquiry, Passengar, Employee, Reservation, Airlines) contains primary key and unique keys.
- The entity Passengar, Employee has binded with Airlines, Reservation entities with foreign key
- There is one-to-one and one-to-many relationships available between Employee, Ticket Booking, Airline Enquiry, Airlines
- All the entities Airlines, Employee, Passengar, Airline Enquiry are normalized and reduce duplicacy of records
- We have implemented indexing on each tables of Airlines Reservation System tables for fast query execution.