Which of the following best defines a candidate key?
A) It is an arbitrary, random key with no business meaning
B) It is an attribute that naturally belongs to an entity
C) It is made of two or more attributes combined
D) It is an attribute that could potentially be used for a primary key
D
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Using linear organization in writing allows which of the following benefits to readers on mobile devices?
A) Information flows from top to bottom to simplify reading. B) The most important information is first followed by addition layers of detail. C) An executive summary is offered with more detail available on a PC. D) Embedded links to additional information if desired E) Less intimidating paragraphs
Lower wage differentials are legal except when based on
a. learner status of the worker. b. handicap. c. sex. d. temporary status of the worker.