Which of the Following Is a Rule of Referential Integrity

question 19

Multiple Choice

Which of the following is a rule of referential integrity? ​

• A)A record can be added to a related table even if a matching record exists in the primary table.
• B)The value of the primary key in the primary table cannot be changed if matching records exist in a related table.
• C)A record in the primary table can be deleted if matching records exist in the related table.
• D)The Cascade Delete Related Records option cannot be used to delete records in the primary table as well as in a related table.

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Definitions:

Per Capita Growth Rate

Refers to the rate of population growth per individual within a given time frame, often used to assess changes in population size relative to the current population.

Exponential Growth Rate

Exponential Growth Rate describes the increase of a quantity by a consistent rate over proportional time intervals, commonly observed in populations lacking resource limitations.

Biotic Potential

The maximum reproductive capacity of an organism under optimal environmental conditions, reflecting the potential for population growth.