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Relational Database Design Strategy - Quiz
Each question is worth one point. Select the best answer or answers for each question.
1.
Which of the following is under the control of the database designer?
Please select the best answer.
A.
Achieving database security
B.
Eliminating duplicate data
C.
Enforcing database integrity
2.
Which of the following is true regarding the application approach to database design?
Please select the best answer.
A.
The application approach represents a bottom-up approach to database design.
B.
In the application approach, databases are created for each subject area.
C.
The application approach represents a top-down approach to database design.
D.
The application approach groups business objects by subject.
3.
Which of the following describes the logical schema?
Please select all the correct answers.
A.
It involves systems programmers.
B.
It creates a logical plan.
C.
It describes how data are linked.
D.
It involves database designers.
4.
Which of the following capabilities are present in some, if not all, CASE tools?
Please select all the correct answers.
A.
The ability to create an ER diagram
B.
The ability to convert an ER diagram into SQL tables
C.
The ability to examine and analyze a database environment
D.
The ability to create a data flow diagram
5.
Which of the following tasks is associated with Logical Design?
Please select the best answer.
A.
Adding and deleting records
B.
Tweaking database performance
C.
Normalizing database tables
D.
Assessing the informational needs of an organization
