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Answered: - Draw an EER diagram for the following situation: TomKat


Draw an EER diagram for the following situation:


TomKat Entertainment is a chain of theaters owned

by former husband and wife actors/entertainers

who, for some reason, can?t get a job performing anymore.

The owners want a database to track what is

playing or has played on each screen in each theater

of their chain at different times of the day. A theater

(identified by a Theater ID and described by a theater

name and location) contains one or more screens for

viewing various movies. Within each theater each

screen is identified by its number and is described by

the seating capacity for viewing the screen. Movies

are scheduled for showing in time slots each day.

Each screen can have different time slots on different

days (i.e., not all screens in the same theater have

movies starting at the same time, and even on different

days the same movie may play at different times

on the same screen). For each time slot, the owners

also want to know the end time of the time slot (assume

all slots end on the same day the slot begins), attendance

during that time slot, and the price charged for

attendance in that time slot. Each movie (which can

be either a trailer, feature, or commercial) is identified

by a Movie ID and further described by its title,

duration, and type (i.e., trailer, feature, or commercial).

In each time slot, one or more movies are

shown. The owners want to also keep track of in

what sequence the movies are shown (e.g., in a time

slot there might be two trailers, followed by two

commercials, followed by a feature film, and closed

with another commercial).

 


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