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Chapter 2 DATABASE SYSTEM MCQs

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1. File-processing systems have important limitations:
(A) Data is separated and isolated.
(B) Data is often duplicated.
(C) All of the above.
(D) Application programs are dependent on file formats.

2. Database-processing programs:
(A) Require at least one dedicated workstation.
(B) Cannot be used by more than one person.
(C) Call the DBMS to access the stored data.
(D) Present problems with storage space.

3. In a database system, all the application data is stored in a single facility called_______.
(A) DBMS
(B) CPU
(C) Database
(D) Hard drive

4. The features and functions of a DBMS can be divided into three parts:
(A) Fields, records, and files.
(B) RAM, ROM, and floppy diskettes.
(C) The design tools subsystem, the run-time subsystem, and the DBMS engine.
(D) The file-processing subsystem, the transaction-processing subsystem, and the LAN.

5. In a Hierarchical database model, records are organized as _____ structure.
(A) Graph
(B) List
(C) Links
(D) Tree

6. What is the basic relationship in a hierarchical database?
(A) Cousin
(B) Sibling
(C) Parent-child
(D) All of the data is related in the same way

7. SET concept is used in
(A) Network Model
(B) Hierarchical Model
(C) Relation Model
(D) None of these

8. Which of the following is handled by DBMS?
(A) Data security
(B) Data integrity
(C) Data independence
(D) All

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