Question: Consider the relation Shipping(Ship, Capacity, Date, Cargo, Value) with the FDs: F = {ShipCapacity, ShipDateCargo, CargoCapacityValue}. (a) Find a minimal basis for F. (b) Suppose

Consider the relation Shipping(Ship, Capacity, Date, Cargo, Value) with the FDs: F = {ShipCapacity, ShipDateCargo, CargoCapacityValue}.

(a) Find a minimal basis for F.

(b) Suppose we decompose the relation Shipping into: R1(Ship,Capacity) and R2(Ship, Date, Cargo, Value). Is this decomposition lossless join and dependency-preserving? Why (not)?

R1(Cargo, Capacity, Value),

R2(Ship, Capacity),

R3(Ship, Date, Cargo).

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