A super key is a set of one or more attributes that, taken collectivel – McqOptions

MCQOPTIONS

1.	A super key is a set of one or more attributes that, taken collectively, allow us
A.	to identify uniquely an entity in the entity set
B.	to make the key most powerful for faster retrieval
C.	to increase effectiveness of database access
D.	none of the above
Answer» B. to make the key most powerful for faster retrieval

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