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Given Only the Following Excerpt of an E-R Model

Question 34

Multiple Choice

Given only the following excerpt of an E-R model: Given only the following excerpt of an E-R model: Which of the following is known to be true? A) A single instance of ENTITY A must be related to one instance of ENTITY B. B) Many instances of ENTITY A may be related to one instance of ENTITY B. C) ENTITY B has a degree of many. D) ENTITY B is a weak entity. E) Both A and C are true.
Which of the following is known to be true?


A) A single instance of ENTITY A must be related to one instance of ENTITY B.
B) Many instances of ENTITY A may be related to one instance of ENTITY B.
C) ENTITY B has a degree of many.
D) ENTITY B is a weak entity.
E) Both A and C are true.

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