Which aggregate function returns a count of all non-null values returned by a value expression?
a. COUNT(*)
b. COUNT(value expression)
c. SUM(value expression)
d. MAX(value expression)
b. COUNT(value expression)
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Most languages permit implicit coersion when there is ______of the data types.
Fill in the blank(s) with the appropriate word(s).
Select the item below that does not belong in a consistent web site design.
a. the same fonts on each content page b. the same logo in the same location on each content page c. a similar navigation area on each content page d. a different background color on each page
The Conversation Prism in the accompanying figure was created by ____ Brian Solis.
A. social network programmer B. project leader C. social network systems analyst D. social media thought leader
In a ____ queue, customers or jobs with higher priorities are pushed to the front of the queue.
A. structured B. divided C. priority D. hold