Given the ER model above, which of the following statements is correct? a. A movie can have

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Given the ER model above, which of the following statements is correct?

ALSO_A__ DIRECTOR dir-act act-dir DIRECTS (0..1) DIRECTOR (1..1) mov-dir dir-mov (0..1) PERFORMS IN ACTOR

a. A movie can have as many lead actors as there are actors in the movie.

b. PRODUCER is an existence-dependent entity type.

c. A director of a movie can also act in the same movie.

d. A movie can have multiple actors, producers, and directors.

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Principles Of Database Management The Practical Guide To Storing Managing And Analyzing Big And Small Data

ISBN: 9781107186125

1st Edition

Authors: Wilfried Lemahieu, Seppe Vanden Broucke, Bart Baesens

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Question Posted: Dec 18, 2023 01:32 AM

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Given the ER model above, which of the following statements is correct? a. A movie can have

Question:

ALSO_A__ DIRECTOR dir-act act-dir DIRECTS (0..1) DIRECTOR (1..1) mov-dir dir-mov (0..1) PERFORMS IN ACTOR (0..n) (0..m) mov-act act-mov (0..n) (0..1) MOVIE (0..2) LEAD ROLE mov-Idr Idr-mov (0..n) (0..n) pro-act act-pro ALSO_A__ PRODUCER (0..1) PRODUCER (1..n) PRODUCES mov-pro pro-mov

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c A director of a movie can also act in the same movie Explanati...View the full answer

Principles Of Database Management The Practical Guide To Storing Managing And Analyzing Big And Small Data

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