CENTRAL SCHOOL LIBRARY Observe the ER Diagram for the CENTRAL SCHOOL LIBRARY

question 67

Multiple Choice

CENTRAL SCHOOL LIBRARY
Observe the ER diagram for the CENTRAL SCHOOL LIBRARY

-How many tables in the relational schema mapped from the Central School Library ER diagram will have composite primary keys?

• A)0
• B)1
• C)2

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Definitions:

Idiosyncratic Reaction

An abnormal or unexpected response to a medication or substance, which is different from its known side effects and varies between individuals.

Pseudoephedrine

A decongestant used to relieve nasal congestion caused by colds, allergies, and hay fever, but can also be misused in the manufacture of methamphetamine.

Xerostomia

A medical condition characterized by dry mouth due to reduced or absent saliva flow, often causing discomfort and other oral health issues.

Ear Irrigation

A procedure used to clean the ear canal through the introduction of water or other fluids to remove earwax or foreign materials.