Modern Database Management Study Set 2

Computing

Quiz 2 :
Modeling Data in the Organization

Quiz 2 :
Modeling Data in the Organization

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The logical representation of an organization's data is called a(n):
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B

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A good data definition will describe all of the characteristics of a data object EXCEPT:
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D

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A fact is an association between two or more:
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B

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Data modeling may be the most important part of the systems development process because:
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The most common types of entities are:
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In an E-R diagram, there are/is ________ business rule(s) for every relationship.
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Business policies and rules govern all of the following EXCEPT:
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A ________ defines or constrains some aspect of the business.
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Which of the following is NOT a characteristic of a good business rule?
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Which of the following is NOT a good characteristic of a data name?
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Customers, cars, and parts are examples of:
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Which of the following is an entity that exists independently of other entity types?
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An entity type whose existence depends on another entity type is called a ________ entity.
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The following figure shows an example of: img
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A(n) ________ is the relationship between a weak entity type and its owner.
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An entity type name should be all of the following EXCEPT:
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A property or characteristic of an entity type that is of interest to the organization is called a(n):
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An attribute that must be present for every entity (or relationship) instance is a(n):
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A person's name, birthday, and social security number are all examples of:
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An attribute of an entity that is computed is a(n):
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