The SQL standard provided which syntax to test data in one column to determine how to handle data in another column?

An alternative to the CONCATENATE function is to use ________ to join strings

A) & B) ^ C) + D) #

A user running Windows XP reports that their computer has not been printing any subsequent documents since a printer jam occurred earlier that day. The printer is now working normally for other users. Before rebooting the computer, which of the following is the FIRST step the technician should take?

A. Remove and re-add the printer. B. Restart the print spooler service. C. Reset the maintenance page count on the printer. D. Attempt to print a test page.