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1 ACTOR PRODUCER 1 ACTOR ALSO_A_ DIRECTOR 1 DIRECTOR PRODUCER M 2 PERFORMS_IN LEAD ROLE M b) Some actors have done a lead role in multiple movies. c) A movie can have a minimum of two lead actors. N d) Every director has been an actor in some movie. N MOVIE 1 a) There are some actors who have acted in more than ten movies. PRODUCES Assume that MOVIES is a populated database. ACTOR is used as a generic term and includes actresses. Given the constraints shown in the ER schema, respond to the following statements with True, False, or Maybe. Assign a response of Maybe to statements that, although not explicitly shown to be True, cannot be proven False based on the schema as shown. Justify each answer. N DIRECTS N

1 ACTOR PRODUCER 1 ACTOR ALSO_A_ DIRECTOR 1 DIRECTOR PRODUCER M 2 PERFORMS_IN LEAD ROLE M b) Some actors have done a lead role in multiple movies. c) A movie can have a minimum of two lead actors. N d) Every director has been an actor in some movie. N MOVIE 1 a) There are some actors who have acted in more than ten movies. PRODUCES Assume that MOVIES is a populated database. ACTOR is used as a generic term and includes actresses. Given the constraints shown in the ER schema, respond to the following statements with True, False, or Maybe. Assign a response of Maybe to statements that, although not explicitly shown to be True, cannot be proven False based on the schema as shown. Justify each answer. N DIRECTS N

Database Systems: Design, Implementation, & Management
Database Systems: Design, Implementation, & Management
11th Edition
ISBN:9781285196145
Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Chapter5: Advanced Data Modeling
Section: Chapter Questions
Problem 8C
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1 ACTOR PRODUCER ACTOR 1 ALSO_A_ DIRECTOR DIRECTOR PRODUCER M 2 PERFORMS_IN LEAD ROLE M b) Some actors have done a lead role in multiple movies. c) A movie can have a minimum of two lead actors. N d) Every director has been an actor in some movie. N MOVIE 1 a) There are some actors who have acted in more than ten movies. PRODUCES Assume that MOVIES is a populated database. ACTOR is used as a generic term and includes actresses. Given the constraints shown in the ER schema, respond to the following statements with True, False, or Maybe. Assign a response of Maybe to statements that, although not explicitly shown to be True, cannot be proven False based on the schema as shown. Justify each answer. N DIRECTS N
Transcribed Image Text:1 ACTOR PRODUCER ACTOR 1 ALSO_A_ DIRECTOR DIRECTOR PRODUCER M 2 PERFORMS_IN LEAD ROLE M b) Some actors have done a lead role in multiple movies. c) A movie can have a minimum of two lead actors. N d) Every director has been an actor in some movie. N MOVIE 1 a) There are some actors who have acted in more than ten movies. PRODUCES Assume that MOVIES is a populated database. ACTOR is used as a generic term and includes actresses. Given the constraints shown in the ER schema, respond to the following statements with True, False, or Maybe. Assign a response of Maybe to statements that, although not explicitly shown to be True, cannot be proven False based on the schema as shown. Justify each answer. N DIRECTS N
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