An entity-relationship diagram
A) can represent the contents of any database.
B) is only used in conjunction with REA models.
C) can show a limited number of entities and relationships.
D) is used only to design new databases.
Answer: A
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Landingham Laboratories has decided to introduce its new over-the-counter antibiotic for ear infections in a limited market consisting of only two cities, and to closely monitor the reactions of potential customers to the product and its marketing program. What is this called?
a. dual distribution b. laboratory testing c. test marketing d. use test
Which one of the following typically fills information gaps left by an inadequate internal communication program?
A. The "grapevine" D. Meetings B. Speeches/speakers' bureaus E. Teleconferencing C. Video, film, and slide presentations