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Entity Sets

Strong Entity Set

A strong entity set is reduced to a schema containing the attributes of the set

soldiersoldier_idexperienceweapon_id

soldier(soldier_ID, experience, weapon_id)

Weak Entity Set

A weak entity set is reduced to a schema containing its attributes, including the primary key of its identifying set

expertiseaccuracyconsistencyease_of_manuoeveringweapon_IDweaponweapon_IDfirepoweris in

expertise(accuracy, consistency, ease_of_manuoevering, weapon_ID)