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Author Question: A null represents the absence of a value. Indicate whether the statement is true or ... (Read 31 times)

cagreen833

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on: Jul 7, 2018
A null represents the absence of a value.
 
  Indicate whether the statement is true or false

Question 2

Which best describes the function of the following code fragment?IF EXISTS(SELECT FROM StudentCourseWHERE StudentKey=StudentKeyAND CourseKey=CourseKey)
 
  A) It checks to see if the student exists
  B) It checks to see if the course exists
  C) It checks to see if there is a record in StudentCourse in which the StudentKey and CourseKey match the parameters passed in by the user
  D) None of the above


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brittrenee

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

TRUE

Answer to Question 2

C


cagreen833

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Reply 2 on: Jul 7, 2018
YES! Correct, THANKS for helping me on my review

dyrone

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Reply 3 on: Yesterday
Excellent

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