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Critical Thinking Questions
Case 9-2
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Emily is functioning with her customer, Anna, on the design of a new database. She describes to Anna that key fields are utilized to access, coordinate, and preserve the data records.
?Emily tells Anna that a primary key is a field or combination of fields that individually and minimally recognizes a specific entity. She mentions that there may be an option of fields or field combinations to use as the primary key. Which of the following is the term used for a feasible primary key?
A. ?Candidate key
B. ?Ancillary key
C. ?Foreign key
D. ?Multifaceted key
Answer: A
Computer Science & Information Technology
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