According to the "preferably single-attribute" characteristic of a primary key, the primary key:
a. must be able to guarantee unique attribute values.
b. should have the minimum number of attributes possible.
c. should have embedded semantic meaning associated with each attribute.
d. must be composed of attributes that are free from security risks or violations.
b
You might also like to view...
Performance measures are done to
A. assess assumptions about how the strategic lists affect the business. B. measure the time the company takes to acculturate new employees. C. determine if the strategy and its implementation are proceeding successfully. D. eliminate uncertainty about environmental variables. E. prove that strategic forecasts are precise.
Which of the following is a reason why production capacity utilization began to decline around the end of World War I?
A. Financial markets were becoming less sophisticated. B. Capacity had been decreased greatly for the war. C. Financial markets placed more pressure on firms to continually increase sales volume and profits. D. High entry barriers prevented new companies from entering into the market place. E. Firms that had dominated their respective industries before the war maintained their positions due to lack of competition.
A generational cohort is a group of people
A. with the same beliefs and values. B. who are of the same generation. C. who are not open to new things. D. who grew up and went to school together. E. who purchase only one brand of a product throughout their lifetime.
An electronic card that contains information that can be used for payment purposes best describes
A) host card. B) payment card. C) funds card. D) pocket card.