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เตรียมตัวสอบ CISA
| Area 03 : Question 33 ( C2 - 33 ) |
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Question : All of the following are properties of a relational database EXCEPT :
| A) |
relational database technology separates data from applications |
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| B) |
operational efficiencies are significantly increased with relational models |
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| C) |
relational database models information in the structure of a table with columns and rows |
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| D) |
in a relational model there is always a primary key for a tuple and there are no duplicate tuples |
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| Choice : A |
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| Choice : B |
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| Choice : C |
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| Choice : D |
The Correct Answer is :
B. operational efficiencies are significantly increased with relational models
Explanation :
Operational inefficiencies ( not efficiencies ) are significantly increased with use of a relational model.
Therefore, this answer represents a disadvantage in using a relational database approach.
The other choices are properties of a relational database.
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