VPD provides authorization at the level of specific tuples, or rows, of a relation, and is therefore said to be a _____________ mechanism. - PrepBharat

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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: a
Explanation: Oracle Virtual Private Database (VPD) allows a system administrator to associate a function with a relation.

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