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Multiple Choice Quiz
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1
Which of the following does a database maintain information on?
A)Inventory
B)Transactions
C)Employees
D)All of the above
2
What in the relational database model is a person, place, thing, transaction, or event about which information is stored?
A)Attribute
B)Attribute class
C)Entity
D)Entity class
3
Why do relational databases use primary keys and foreign keys?
A)To create logical relationships
B)To create a database
C)All of the above
D)None of the above
4
All of the following are advantages of database-stored information, except:
A)Increased information redundancy
B)Increased performance
C)Increased information integrity
D)Increased flexibility
5
What measures how quickly a system performs a certain process or transaction?
A)Redundancy
B)Information integrity
C)Scalability
D)Performance
6
What are the rules that help ensure the quality of information?
A)Relational integrity constraints
B)Information integrity
C)Integrity constraints
D)Business-critical integrity constraints





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