Consider

the following relation: Shipment (BoxNo, DeliveryAdd, Date, Payment) with the

following

functional dependencies:

FD1:

BoxNo ! DeliveryAdd

FD2:

fDate, DeliveryAddg ! Payment

According

to the rule of pseudo-transitivity, which of the following functional

dependencies

can be

derived?

a)

DeliveryAdd -> Payment

b)

fBoxNo, Dateg -> Payment

c)

fBoxNo, DeliveryAddg -> Payment

d)

fBoxNog -> Payment