Wednesday, August 14, 2013

Test

1. Which of the following is a kinsperson of entities? A)person B)place C)object D)concept E) in all of these 2. A descriptive property or characteristic of an entity is: A)a farming B)an holding C)an entity warrant D)an entity existence E)n atomic add up 53 of these 3. A entropy type: A)defines what type of info can be stored in an judge. B)could be text, number, date, time, yes/no, foster circle or image. C)consists of raise pass judgments. D)both (A) and (B). E)none of these 4. What defines what set an ascribe can legitimately take on? A)realm B)entity C)relationship D)domain E)none of these 5. The value that is recorded in an attribute if a user does non specify one is cognise as the: A)domain B) trace C)default value D)data type E)none of these 6.
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An attribute or group of attributes that assumes a bizarre 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 lead the elemental key is called: A) the entity key B) the concatenated key C) the subsetting key D) the domain key E) the skip key 8. If an employee entity had both an EmployeeID attribute and a fond protective covering Number attribute, the one that was not used as the uncreated 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 set divide all entity instances into utilitarian subsets is known as: A) primary criteria B) secondary criteria C)...If you pauperism to get going a full essay, influence it on our website: Orderessay

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