List of top Atmospheric Science Questions on Database Management Systems

The decimal equivalent of hexadecimal 3AF is:
Match LIST-I with LIST-II
LIST-I
(A) Primary Key
(B) Alternate Key
(C) Super Key
(D) Composite Key
LIST-II
(I) Composed with at least two attributes
(II) Can contain extraneous attributes
(III) Only one such key is permitted in a relation
(IV) Used when the primary key is not working