Exam 3: The Database Management System Concept

Course Course Number of Professor Number Name Credits in Charge BIOL1001 Biology I 4 Smith BIOL3020 Anatomy 3 Jones ENGL2540 Shakespeare 3 Duncan MATH2000 Calculus I 4 Stevens MATH3500 Statistics \Pi 3 Jones Course file -How many entities are described in the Course file?

An entity is the set of facts in a record.

In the database concept, each application has its own, private database.

A read or retrieve operation is the only one of the four fundamental operations that can be performed on a file that does change the data.

A database management system can store data non-redundantly while also providing a data integration capability.

Anomalies occur when two different kinds of data (data describing two entities) are merged into one file.

Data integration refers to the ability to store data in a non-redundant fashion.

In the Course file, the string "ENGL2540 Shakespeare 3 Duncan" can best be described as a _____.

All of the following are basic principles of the database concept, except _____.

Protecting against hackers is primarily a matter of _____.

Which of the following is a description of a particular entity?

A single piece of data is _____ the business environment.

Database management systems must be able to handle unary, binary, and ternary relationships without introducing data redundancy or other problems.

Prior to the development of the database concept, redundant data ____.

Regarding the three data control issues of security, backup and recovery, and concurrency, a database management system _____.

Which of the following is a basic principle of the database concept?

Prior to the development of the database concept, data was often held redundantly in multiple files.

Data redundancy is a positive feature of an information system.

Database management systems are expected to handle binary relationships but not unary or ternary relationships.

Rebuilding a database after it is destroyed by a natural disaster is an aspect of _____.