A key is called minimal when it uses the fewest attributes needed. Suc…

Question

A key is called minimal when it uses the fewest attributes needed. Such a key is a:

Accepted Answer

C. Candidate key

1. No attribute in it can be dropped.
2. It still identifies each row.
3. That is a candidate key.
_Source: OpenStax Introduction to Computer Science, Chapter 8, Data Management._

Answer

Cabinet key

Answer

Caption key

Answer

Calendar key

A key is called minimal when it uses the fewest attributes needed. Such a key is a:

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