Using this ER diagram for reference, respond to the following statements with TR
ID: 3826116 • Letter: U
Question
Using this ER diagram for reference, respond to the following statements with TRUE, FALSE, or MAYBE. Assign a response of MAYBE to statements that, while not explicitly shown to be TRUE, cannot be proven FALSE based on the diagram.
STATEMENT TRUE FALSE MAYBE
There are actors in this database that have been in no movies. ____ ____ ____
Every movie has exactly one director. ____ ____ ____
An actor can have a lead role in multiple movies. ____ ____ ____
Every director has been an actor is some movie. ____ ____ ____
No producer has ever been an actor. ____ ____ ____
A movie can have at most two lead actors ____ ____ ____
A producer can be an actor in some other movie. ____ ____ ____
There are movies with more than ten actors. ____ ____ ____
There are movies with no actors. ____ ____ ____
ACTOR PRODUCER ACTOR ALSO A DIRECTOR DIRECTOR PRODUCER M PERFORMS IN LEAD ROLE MOVIE DIRECTS PRODUCESExplanation / Answer
There are actors in this database that have been in no movies. FALSE
Every movie has exactly one director. TRUE
An actor can have a lead role in multiple movies. TRUE
Every director has been an actor is some movie. TRUE
No producer has ever been an actor. FALSE
A movie can have at most two lead actors TRUE
A producer can be an actor in some other movie. TRUE
There are movies with more than ten actors. MAY BE
There are movies with no actors. FALSE
An actor can have a lead role, direct a movie, and be a producer of a movie : MAY BE
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