Database Systems - Section 7 Multiple Questions and Answers.




31.Batch processing is appropriate if
A. a large computer system is available
B. only a small computer system is available
C. only a few transactions are involved
D. None of the above

32.What is the abbreviation used for a software package that permits the users to create, retrieve and maintain records in a database?
A. DASD
B. FMS
C. EMMS
D. DBMS

33.Which of the following is not an advantage of the data-base approach?
A. elimination of the data redundancy
B. ability to associate related data
C. increased security
D. All of the above

34.Data encryption techniques are particularly useful for
A. reducing storage space requirements
B. improving data integrity
C. protecting data in data communication systems
D. All of the above

35.It is more accurate to define a _____ as a variety of different record types that are treated as a single unit
A. Database
B. Table
C. Record
D. Flat File

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