Let pk(R) denotes primary key of relation R. A many-to-one relationshi – McqOptions

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1.	Let pk(R) denotes primary key of relation R. A many-to-one relationship that exists between two relations R1 and R2 can be expressed as follows:
A.	pk(R2)→pk(R1)
B.	pk(R1)→pk(R2)
C.	pk(R2)→R1∩R2
D.	pk(R1)→R1∩R2
Answer» C. pk(R2)→R1∩R2

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