An attribute or group of attributes that assumes a unique(p) value for severally entity instance is a: A) domain B) key C) default value D) data type E) none of these 7. each campaigner key that is not selected to mystify the principal(a) coil key is called: A) the entity key B) the concatenated key C) the subsetting key D) the domain key E) the substitute key 8. If an employee entity had both an EmployeeID attribute and a fond gage Number attribute, the one that was not used as the primary key would be called a(n): A) entity key B) concatenated key C) alternate key D) candidate key E) all of these 9. An attribute or concatenated attribute whose value divide all entity instances into profitable subsets is known as: A) primary criteria B) secondary criteria C)...If you pauperism to make for a full essay, methodicalness it on our website: Orderessay
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