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Unformatted text preview: T F 5. Economy of scale refers to the fact that a system can easily be expanded in response to business growth. T F 6. A code is a set of letters or numbers that represent a data item. T F 7. A nonkey field is any field that is a primary key or a candidate key. T F 8. A tuple is a set of related fields that describes one instance of an entity. T F 9. Abbreviation codes use numeric abbreviations. T F 10. Unicode uses two bytes per character....
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- Spring '12