Describe how the following information about railways, trains (for a particular day), and passengers would be represented in a relational database: Trains: Rolar, Omni, and Holiday Trains for Rolar: R221, R567, and R234 Holiday special Trains: H897 and H008 Trains for Omni: O999 and O815 John has reservations on R221 (seat 34U), R567 (seat 23U), and R234 (seat 43L). Henry has reservations on O999 (seat 15L) and H008 (seat 18L). Duke has reservations on H897 (seat 7U) and O815 (seat 2L).

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Transaction Processing

Transaction processing is a computational style generally performed by server computers, which supports interactive applications (apps). Transaction processing is also known as information processing, which divides the work into indivisible and individual operations called transactions. The transaction is a set of tasks; a single task is considered as the minimum processing unit that cannot be divided again.