Suppose the user finds the usage of room number and phone number in a – McqOptions

MCQOPTIONS

1.	Suppose the user finds the usage of room number and phone number in a relationalschema there is confusion.This is reduced by
A.	Unique-role assumption
B.	Unique-key assignment
C.	Role intergral assignment
D.	None of the mentioned
Answer» B. Unique-key assignment

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