The Conceptual Design Step That Identifies ER Modules and Validates

question 57

Multiple Choice

The conceptual design step that identifies ER modules and validates insert,update,and delete rules is ____.

• A) database analysis and requirements
• B) ER modeling and normalization
• C) data-model verification
• D) distributed database design

---

Definitions:

Top of Ocean Food Chains

Predators that occupy the highest trophic levels in marine ecosystems, controlling the population and health of the ecosystem indirectly.

Predators

Animals that hunt, kill, and consume other organisms for food.

Invasive Species

Non-native organisms that spread rapidly in new environments, often causing harm to native species, human health, and economies.

Generalists

Organisms that have a broad niche and can thrive in a wide variety of environmental conditions and can make use of a variety of different resources.