Thursday, September 12, 2013

Quiz

Modern Database Management, Chapter 2 Modeling Data in the plaque 1) The greenness casings of entities are: A) strong entities. B) spineless entities. C) associative entities. D) all told of the above. 2) The perspicuous representation of an governments data is called a(n): A) database model. B) entity-relationship model. C) relationship systems design. D) database entity diagram. 3) A business line practice: A) defines or constrains some aspect of the business. B) asserts business structure. C) controls or influences the sort of the business. D) all of the above. 4) Customers, cars, and parts are examples of: A) entities. B) deputes. C) cardinals. D) relationships. 5) An entity grapheme whose institution depends on another entity type is called a ________ entity. A) strong B) weak C) codependent D) variant 6) A(n) ________ is the relationship between a weak entity type and its owner. A) member grasp B) identifying rel ationship C) jump path D) chain link 7) A property or characteristic of an entity type that is of interest to the organization is called a(n): A) attribute. B) coexisting entity. C) relationship. D) cross-function. 8) An attribute that must bear a mensurate for every entity (or relationship) congressman is a(n): A) composite attribute. B) require attribute.
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C) optional attribute. D) multi evaluated attribute. 9) An attribute of an entity that must have a value for each entity instance is a(n): A) optional attribute. B) composite attribute. C) required attribute. D) brumous attribute. 10) An attribute that rouse be broken down into little parts is c! alled a(n) ________ attribute. A) associative B) simple C) composite D) complex 11) The future(a) ascertain shows an example of: [pic] A) a composite attribute. B) a relative attribute. C) a derived attribute. D) a multivalued attribute. 12) In the figure below, which attribute is multivalued? [pic] A) Years_Employed B) Employee_ID C) Skill...If you expect to bum about a full essay, order it on our website: BestEssayCheap.com

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