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Heff Heff
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2 years ago
Which of the following is not true about null values?
A) A null value can mean that the value is unknown.
B) A null value is ambiguous.
C) A null value can mean that the value is known to be blank.
D) A null value can mean that no value for the field is appropriate.
E) Null values cannot be avoided.
Textbook 

Database Concepts


Edition: 7th
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bestavinashbestavinash
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