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:

Invested

Committed money, resources, or effort into something with the expectation of achieving a profit or beneficial result.

Seed-stage

The initial phase of a startup's development, where the focus is on product development and market research, often funded by seed capital.

Startup

A newly established business, often in the technology sector, aimed at addressing a market need by developing a viable business model.

Valuing

The process of estimating the worth or value of a business, asset, or investment.