Devry BIS245 Week 3 Quiz 2016
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Question
1. Question : (TCO 2) In a relational database, entities are
events.
persons.
things.
All of the above
Question 2. Question : (TCO 2) Which of the following is NOT a step in the Database Life Cycle?
Database Design
Maintenance and Redevelopment
Performance
Testing
Question 3. Question : (TCO 3) All of the following explain index usage EXCEPT
a primary field uses an index.
adding an index to a table might decrease overall database performance slightly.
an index can reduce the amount of t...
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Devry BIS245 Week 3 Quiz 2016•Devry BIS245 Week 3 Quiz 2016
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Question
1. Question : (TCO 2) In a relational database, entities are
events.
persons.
things.
All of the above
Question 2. Question : (TCO 2) Which of the following is NOT a step in the Database Life Cycle?
Database Design
Maintenance and Redevelopment
Performance
Testing
Question 3. Question : (TCO 3) All of the following explain index usage EXCEPT
a primary field uses an index.
adding an index to a table might decrease overall database performance slightly.
an index can reduce the amount of t...