Implemented IRCTC system #1
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Design a database schema for railway ticket booking using the E-R model and design tables accordingly using the relationship model. The necessary information is given below :
Entities : Train, Ticket, Customer
Ticket can be reserved or unreserved.
Each reserved ticket must correspond to a train and a customer.
Each unreserved ticket must correspond to a customer.
A customer cannot be in two trains at the same time.
Assume columns accordingly and mention primary keys, weak and strong entities.