VPD(virtual private database) 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. authentication
D. Authorization security
Answer:A
VPD(virtual private database) 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. authentication D. Authorization security