What are two essential characteristics of a good primary key field?
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What are two essential characteristics of a good primary key field?
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First a primary key field must contain unique data for each recor...View the full answer
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Related Book For
Concepts Of Database Management
ISBN: 9780357422083
10th Edition
Authors: Lisa Friedrichsen, Lisa Ruffolo, Ellen Monk, Joy L. Starks, Philip J. Pratt
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