Online Travel Portal System ER Diagram

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July 17 2017

Posted By: freeproject
Comments: 0

Posted By freeproject on July 17, 2017

This ER (Entity Relationship) Diagram represents the model of Online Travel Portal System Entity. The entity-relationship diagram of Online Travel Portal System shows all the visual instrument of database tables and the relations between Registrations Customer, Bookings, Users, Payments etc. It used structure data and to define the relationships between structured data groups of Online Travel Portal System functionalities. The main entities of the Online Travel Portal System are Users, Registrations Customer, Cabs, Bookings, Charges and Payments.

Online Travel Portal System entities and their attributes :

Users Entity : Attributes of Users are user_id, user_name, user_mobile, user_email, user_username, user_password, user_address
Registrations Customer Entity : Attributes of Registrations Customer are registration_id, registration_user_id, registration_name, registration_type, registration_number, registration_date, registration_description
Cabs Entity : Attributes of Cabs are cab_id, cab_name, cab_type, cab_description
Bookings Entity : Attributes of Bookings are booking_id, booking_hotel_id, booking_title, booking_type, booking_date, booking_description
Charges Entity : Attributes of Charges are charge_id, charge_service_id, charge_amount, charge_total, charge_type, charge_description
Payments Entity : Attributes of Payments are payment_id, payment_customer_id, payment_date, payment_amount, payment_description

Description of Online Travel Portal System Database :

The details of Users is store into the Users tables respective with all tables
Each entity ( Payments, Cabs, Charges, Registrations Customer, Users) contains primary key and unique keys.
The entity Cabs, Charges has binded with Users, Registrations Customer entities with foreign key
There is one-to-one and one-to-many relationships available between Charges, Bookings, Payments, Users
All the entities Users, Charges, Cabs, Payments are normalized and reduce duplicacy of records
We have implemented indexing on each tables of Online Travel Portal System tables for fast query execution.

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