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    Computing
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    Database Design Application
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    Exam 3: The Relational Data Model
  5. Question
    An Unknown Value,or a Value That Does Not Apply to a Given
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An Unknown Value,or a Value That Does Not Apply to a Given

Question 53

Question 53

Multiple Choice

An unknown value,or a value that does not apply to a given row of a table,is indicated by:


A) The value 0
B) The string of characters "null"
C) The null value
D) The string of characters "NA"

Correct Answer:

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