The Presence of One or More Foreign Keys in a Relation

question 74

Multiple Choice

The presence of one or more foreign keys in a relation prevents ________.

• A)the elimination of modification anomalies
• B)the elimination of duplicated data
• C)more complex SQL for multitable subqueries and joins
• D)Both A and B are correct

---

Definitions:

Basketball Player

An individual who participates in the sport of basketball, either professionally or as an amateur.

Left Handed

Refers to individuals who preferentially use their left hand for tasks such as writing and handling objects.

Probability

A branch of mathematics concerned with the analysis of random phenomena, describing the likelihood of occurrences through numerical values between 0 and 1.

Random

Lacking any definite plan, purpose, or pattern, often used in the context of selection or occurrence.