Consider the following Entity-Relationship (E-R) diagram and three pos – McqOptions

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1.	Consider the following Entity-Relationship (E-R) diagram and three possible relationship sets (I, II and III) for this E-R diagram. If different symbols stand for different values (e.g., t1 is definitely not equal to t2), then which of the above could not be the relationship set for the E-R diagram ?
A.	I only
B.	I and II only
C.	II only
D.	I, II and III
Answer» B. I and II only

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