Author Question: At the stage of full systems testing with live data, operators and end-users become actively ... (Read 52 times)

Wadzanai

  • Hero Member
  • *****
  • Posts: 528
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

  • Sr. Member
  • ****
  • Posts: 330
Answer to Question 1

FALSE

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

For a complete list of videos, visit our video library