If you have a class defined in separate files, and change the way a member function is defined (the body of the function), which files need to be re-compiled?

When multiple criteria must ALL be matched in the query results, a user should use the ________ condition

A) OR B) Is Not Null C) IF D) AND

This is the most complete type of backup, where all data is copied to a designed backup location or medium.

What will be an ideal response?