Movie catalog: To make the Sickle and Evert
movie guide easier to maintain, your firm is trying to create a database from
which future editions of the guide will be generated. For each movie, you want
to store its title, date of first release, critics’ rating (between 0 and 5
stars), motion picture rating (G, PG, PG‐13, R, or NC‐17), plot
synopsis, and critic review. The plot synopsis and critic review are each large
text fields. You also assign movies to categories, such as “action,”
“animated,” and so forth. For each category, there is a three‐letter
code, a name, and a description. A movie may fall into more than one category:
for example, Spaceballs is both “science fiction” (code SFI) and “comedy” (code
Each movie has exactly one director and any
number of actors. The system should be able to list the director and all
actors for each movie. Sometimes the same person will both direct movies and
act in them. For each person (director, actor, or both), you want to store a
first name, last name, middle name/initial, date of birth, nationality, and
date of death (if any).
Sometimes a movie is a sequel to another
movie: for example, The Two Towers is the sequel to Fellowship of the Ring. The
database should also keep track of such sequel relationships between movies,
assuming each movie can be the direct sequel of at most one other movie. Draw
an ER diagram, and write a database design outline.
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