What Is a Primary Key

question 28

Multiple Choice

What is a primary key?

• A) A field (or group of fields) that uniquely identifies a given record 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
• D) A field (or group of fields) that uniquely identifies a given attribute in a table

Gain insight into the importance and components of effective email communication.

Comprehend the impact of refusing electronic communication modes in professional settings.

Identify the primary purposes of informative messages within a business context.

Understand the concept of telepresence and its comparative advantages and disadvantages.

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Definitions:

Meaningful Information

Data or knowledge that holds significance or usefulness to an individual, often contributing to understanding or decision-making.

Time Spent Learning

The duration dedicated to acquiring new knowledge or skills through study, experience, or teaching.

Emotionally Stressful Events

These are incidents or circumstances that cause significant psychological stress or emotional disturbance.

Amygdala

A region of the brain involved in the processing of emotions, including fear, anxiety, and the formation of emotional memories.