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The candidate key chosen as the unique identifier for each record becomes the:

APrivate key
BPackage key
CPartial key
DPrimary key
Answer & Solution
Correct answer: D. Primary key
1. Several candidate keys may exist for a table. 2. One of them is selected for use. 3. That one is the primary key. _Source: OpenStax Introduction to Computer Science, Chapter 8, Data Management._
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