​An Integrity Constraint Is a Rule That ____

question 34

Multiple Choice

​An integrity constraint is a rule that ____.

• A) ​is kept in an external file
• B) ​data must follow in the database
• C) ​can be accessed only by authorized users
• D) ​can unintentionally be accessed by unauthorized users

Understand the roles of nonverbal communication in educational settings.

Plan and manage time effectively during family conferences.

Utilize technology and digital platforms for enhancing communication with families.

Engage in reciprocal communication to foster partnerships between home and school.

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Definitions:

Producer Surplus

The difference between the amount producers are willing to accept for a good or service and the actual amount they receive following trade.

Marginal Benefit

The boost in pleasure or utility a person gets from purchasing one more unit of a product or service.

Output

The aggregate output of products or services generated by an enterprise, sector, or economic system over a defined time frame.

Positive Externality

A benefit obtained without compensation by third parties from the production or consumption of sellers or buyers. Example: A beekeeper benefits when a neighboring farmer plants clover. Also known as an external benefit or a spillover benefit.