EAGLERUN TRUCKING DISPATCHER Observe the ER Diagram for the Eaglerun Trucking

question 18

Multiple Choice

EAGLERUN TRUCKING DISPATCHER
Observe the ER diagram for the Eaglerun Trucking
Dispatcher:


This ER diagram will be used for the following questions citing Eaglerun Trucking Dispatcher ER Diagram.


-How many tables in the relational schema mapped from the Eaglerun Trucking Dispatcher ER diagram will have composite primary keys?

• A)0
• B)1
• C)2

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Definitions:

Genus Homo

The genus to which modern humans belong, characterized by higher mental faculties, upright posture, and bipedal locomotion.

Oldowan Tools

The earliest known stone tool industry, dating back to about 2.6 million years ago, associated with Homo habilis and used by early hominins for cutting, scraping, and processing animal and plant materials.

Homo Floresiensis

A species of small hominin that lived on the island of Flores, Indonesia, until about 50,000 years ago, known for its relatively small stature and brain size.

Homo Habilis

An extinct species of early human that lived about 2.4 to 1.4 million years ago, known for using stone tools.