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Author Question: A business rule is an integrity constraint specifying that the value of an attribute in one relation ... (Read 137 times)

cool

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on: Jul 7, 2018
A business rule is an integrity constraint specifying that the value of an attribute in one relation depends on the value of the same attribute in another relation.
 
  Indicate whether the statement is true or false

Question 2

The size validation test tests for too few or too many characters.
 
  Indicate whether the statement is true or false


jointhecircus

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Reply #1 on: Jul 7, 2018
Answer to Question 1

FALSE
Explanation: Referential integrity in integrity constraint specifying that the value (or existence) of an attribute in one relation depends on the value (or existence) of the same attribute in another relation.
CL

Answer to Question 2

TRUE
Explanation: For example, does a Social Security number contain exactly nine digits?
CL


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