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Given Only the Following Excerpt of an E-R Model

Question 71

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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) There are more instances of ENTITY A than there are instances of ENTITY B in the user's environment. B) A single instance of ENTITY B may be related to many instances of ENTITY A. C) A single instance of ENTITY A must be related to many instances of ENTITY B. D) ENTITY A has a minimum cardinality of one. E) The degree of the relationship is many.
Which of the following is known to be true?


A) There are more instances of ENTITY A than there are instances of ENTITY B in the user's environment.
B) A single instance of ENTITY B may be related to many instances of ENTITY A.
C) A single instance of ENTITY A must be related to many instances of ENTITY B.
D) ENTITY A has a minimum cardinality of one.
E) The degree of the relationship is "many."

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