Hint: Be sure to look in blue boxes and at purple text “tooltips” for notes while you take the quiz.
0 of 4 Questions completed
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
0 of 4 Questions answered correctly
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
Which data type has a special class to ensure database writes are minimized?
(T/F) WC_Data uses of a lot of “magic” methods.