The entity integrity rule states that:
A) no primary key attribute can be null.
B) referential integrity must be maintained across all entities.
C) each entity must have a primary key.
D) a primary key must have only one attribute.
A
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When a firm depends on customer advocacy for the promotion of its products, it faces which challenge?
A. Customers are not considered a trusted source of information by other customers. B. It is difficult to control the promotional messages created by customers. C. Customer advocacy always creates a weaker influence on buying decisions than advertising. D. Customer advocacy is considered less effective for positive product reviews than negative reviews. E. Customer advocacy has declining effectiveness when compared with other means of publicity.
Marketing professionals who perceive fewer ethical problems in their organizations tend to disapprove more strongly of "unethical" or questionable practices than those who perceive more ethical problems
Indicate whether the statement is true or false a. True b. False
The mode of transportation that results in the lowest transportation cost will lower total costs for a supply chain
Indicate whether the statement is true or false.
Which of the following statements is most true of comparison groups?
A. They increase the possibility that changes found in outcome measures are due to factors other than training. B. They represent a group of employees who do not attend training. C. The use of a comparison group poses a threat to internal validity. D. Employees in a comparison group have personal characteristics that are different from others.