Film Showings The Cinema Guild Theatre Group wants the following collection of 21 data items to be implemented in a database to manage its member theatres in several towns. Provide the 3NF LDM that satisfies these requirements. Your answer must be the minimum required for a valid logical model solution. No extraneous entities or relationships. Do not add *any* data items to the 21 items shown. You must label with a name each entity and each relationship (between entities). Check carefully that you have satisfied all constraints A through K. Actor Movie_Name Student_Price Address_of_Theatre Movie_Rating Theatre_Name Adult_Count Movie_Review Theatre_Phone_Number Adult_Price Number_of_Screens Time_of_Showing Child_Count Screen_Number Town Child_Price Senior_Count Date Senior_Price Director Student_Count The following describe key business rules, definitions, requirements and relationships between data items: A: Theatres can show a "double bill" (2 films for 1 admission price) or a "triple bill" (3 films) or a "festival" (a larger number of films for one price). B: The film distributor requires each theatre to report the count of each type of ticket sold by showing. A showing is one start of a movie on a particular day at a specific time. Movies shown together (double bill, etc.) have one start time. C: A given movie may be showing at more than one theatre at the same time. D: The movie review is a short paragraph quoted from a national magazine. The movie's rating is also based on non-local information. E: The database needs to track all principal actors in a movie, e.g. co-stars Bette Middler and Carrie Fisher. F: Theatres sometimes run film festivals, where they show several films starring the same actor. (Don't handle the festival separately, just be sure that your design for individual movies handles it.) G: Theatres have four classes of admission with separate prices: adults,...
Already registered? Login
Not Account? Sign up
Enter your email address to reset your password
Back to Login? Click here