A Referential Integrity Constraint Policy That Guarantees That a Row

question 61

Multiple Choice

A referential integrity constraint policy that guarantees that a row in a parent table always has a required entry in a child table ________.

• A)is known as a minimum cardinality enforcement action
• B)needs to be documented by the database development team
• C)is enforced in most DBMS products
• D)A and B
• E)A,B,and C

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Definitions:

Random

An event or action occurring without any discernible pattern or predictability, often used in statistical sampling and assignments.

Census

A complete enumeration of a population or group, often used to gather demographic, social, and economic data.

Subscription Service

A pricing strategy in which consumers are charged periodically to use a product or service continuously.

Sampling Frame

The list or set from which a sample is drawn, representing the population from which researchers intend to collect data.