Examlex
In an ERD diagram,primary and foreign keys are shown for each entity type.
United States
A federal republic in North America composed of 50 states, a federal district, five major self-governing territories, and various possessions.
Passenger Ship
A ship designed to carry people, as opposed to cargo, over water. These ships range from small ferries to large ocean liners.
Naval Strategy
Involves the planning and execution of maritime operations to achieve military or political objectives, including the use of naval forces to project power, secure shipping lanes, and combat threats.
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