19709596
Description
Quiz by Brad Gustafson, updated more than 1 year ago
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Created by Brad Gustafson
over 4 years ago
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Question 1
Question
Which of the following represents a row in a table?
Answer
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an attribute
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a characteristic
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a field
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a record
Question 2
Question
Which of the following defines a relationship in which each occurrence of data in one entityis represented by multiple occurrences of the data in the other entity?
Answer
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one-to-one
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one-to-many
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many-to-many
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none of the above
Question 3
Question
An entity is represented in an E-R model as a(n)
Answer
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arrow
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crow's foot
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dashed line
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none of the above
Question 4
Question
Which of the following is not an E-R model relationship?
Answer
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some-to-many
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one-to-one
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one-to-many
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many-to-many
Question 5
Question
Which of the following symbols represents a many-to-many relationship in an E-R model?
Answer
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a straight line
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dashed line
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a straight line with a crow’s foot at both ends
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a straight line with a crow’s foot at one end
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