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.

-What is the minimal number of records that can be entered in the database whose relational schema is mapped from the Eaglerun Trucking Dispatcher ER diagram?
A)1
B)4
C)5
D)12

Question

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.

-What is the minimal number of records that can be entered in the database whose relational schema is mapped from the Eaglerun Trucking Dispatcher ER diagram?
A)1 
B)4 
C)5 
D)12

Quizplus · Accepted Answer

The minimal number of records that can be entered in the database is four because there are four entities in the ER diagram (Driver, Truck, Trip, and Client), and each entity has its own table in the database. However, not all of the entities need to have a record for the database to be functional. For example, if Eaglerun Trucking Dispatcher has no clients yet, a record for the Client entity can be skipped, and the database can still function properly. Thus, the minimal number of records is four.

Note: It is important to note that this answer assumes that there are no required foreign key constraints or other business rules that would mandate the presence of certain records in the database.

EAGLERUN TRUCKING DISPATCHER Observe the ER Diagram for the Eaglerun Trucking