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?In the accompanying figure, a _____ is a field in one table that must match a primary key value in another table in order to establish the relationship between the two tables.
A. ?secondary key
B. ?candidate key
C. ?combination key
D. ?foreign key
Answer: D
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When an argument is passed by reference, ________.
a. a copy of the argument’s value is passed to the called method b. changes to the argument do not affect the original variable’s value in the caller c. the called method can access the argument’s value in the caller directly and modify that data d. the original value is removed from memory
Reduce the fraction to lowest term.
21/30
A set of characters that have the same design and shape is called a ________
A) lettering B) font C) face D) source
In the referenced report on producing educational software, the task requiring the greatest percentage of effort was authoring the course, at 28 percent. The second most demanding task was:
a. analyzing and outlining content. b. laying out the course map. c. selecting learner activities. d. evaluating the course. e. producing media.