To the user, data processing procedures for routine transactions, such as entering sales orders, appear to be identical in the database environment and in the traditional environment.

Which clause do you use with a join operation to specify which columns from each table should be used as the matching key?

A. FROM B. ON C. BY D. WITH

Fitness games often communicate with a(n) ______ board, which is shaped like a weight scale and contains sensors.

A. activity B. balance C. motion D. step