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Question
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.
Answer
This answer is hidden. It contains 1 characters.
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