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Heff Heff
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6 years ago
What relationship pattern is illustrated in the following schema?

   VEHICLE (VehicleID, Cost)
   CAR (VehicleID, NumberOfSeats)
   TRUCK (VehicleID, CargoCapacity)

   VehicleID in CAR must exist in VehicleID in VEHICLE
   VehicleID in TRUCK must exist in VehicleID in VEHICLE
A) Association relationship
B) Intersection relationship
C) Recursive relationship
D) Strong entity relationship
E) Supertype/subtype relationship
Textbook 
Database Concepts

Database Concepts


Edition: 7th
Authors:
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ade9jaade9ja
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Heff Author
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#2
6 years ago
Answered all my Q's correctly
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