If a table has multiple candidate keys and one of those candidate keys is a composite key, the table can have _____ based on this composite candidate key even when the primary key chosen is a single attribute
a. Boyce-Codd normal forms b. redundancies
c. time-variances d. partial dependencies
d
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Storage area network (SAN) identifies large quantities of data, called _____, and therefore can transfer and back up large amounts of data at a time.
A. data segments B. word blocks C. word segments D. data blocks
______ is simply the process of putting jobs in order from lowest to highest, or vice versa, in terms of value to the company.
A. Wage compression B. Job evaluation C. Job ranking D. Job hierarchy
Which of the following reduces price competition?
a. Increasing the number of competitors. b. Increasing the number of substituting offers. c. Wider distribution of competitor and/or substitution offers. d. High switching costs for consumers. e. Increasing surplus capacity in the industry.
Which of the following is the most effective closing statement for a request message?
A) Thank you in advance for answering all my questions about your training workshops. B) I would appreciate receiving your price list by November 3 so I can plan for a purchase in my December budget. C) Please send me background information about your new product line. D) I trust that, if you want me to order merchandise from your company, you will respond by June 30. E) I am in the process of planning a wedding reception and need some assistance.