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Author Question: At the stage of full systems testing with live data, operators and end-users become actively ... (Read 65 times)

Wadzanai

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on: Jul 7, 2018
At the stage of full systems testing with live data, operators and end-users become actively involved in testing.
 
  Indicate whether the statement is true or false

Question 2

Which of the following best describes what the following code does?DELETE FROM ContactWHERE ContactKey <(SELECT MAX(ContactKey) FROM Contact c WHERE Contact.LastName=c.LastName AND Contact.FirstName=c.FrirstName AND Contact.Email=c.Email AND contact.
 
  Phone=c.Phone)A) It removes all contacts from the contact table
  B) It removes duplicates from the contact table
  C) It removes all unmatched data
  D) None of the above


janeli1

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

FALSE

Answer to Question 2

B


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