What Is a Primary Key

question 53

Multiple Choice

What is a primary key?

• A) A field (or group of fields) that uniquely identifies a given entity in a table
• B) A primary key of one table that appears as an attribute in another table and acts to provide a logical relationship among the two tables
• C) Characteristics or properties of an entity class
• D) A field (or group of fields) that uniquely identifies a given attribute in a table

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Definitions:

Trigger Groups

Groups or categories that initiate or activate a specific response or action in a particular context.

Voting

The act of making a choice or expressing an opinion in a formal setting, often used in the context of democratic processes to select leaders or decide on policies.

Clarification

The process of making something clearer or easier to understand by explaining or giving more details.

Single Solution

A singular approach or answer to solve a problem or address a challenge, often implying a lack of alternative options.