VPD provides authorization at the level of speciﬁc tuples, or rows, – McqOptions

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1.	VPD provides authorization at the level of speciﬁc tuples, or rows, of a relation, and is therefore said to be a mechanism.
A.	row-level authorization
B.	column-level authentication
C.	row-type authentication
D.	authorization security
Answer» B. column-level authentication

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