A composite key consists of only one attribute

When the sales of a certain flavor of ice cream slowed, a national grocery retailer decided to drop the price of that product, which resulted in a large increase in sales of the ice cream. This sales increase is a type of

a. Big Data. b. Input. c. Change d. Feedback.

Sue and Rob work together on the same team, and Sue observes that Rob typically frowns when she offers a work-related suggestion. Sue would be metacommunicating about this problem when she

A) says to Rob, "I notice that you seem displeased when I offer a suggestion." B) sends an e-mail to the team leader describing the frowning problem. C) retaliates by frowning when Rob makes a suggestion. D) places a decal with a smiley face on the partition to Rob's cubicle.