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1. Database designs that fail to recognize that the database is part of a larger information system are not likely to be successful.
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- True
- False
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2. Systems analysis is used to determine the need for an information system and to establish its limits.
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- True
- False
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3. The term “database development” is used to describe the process of database design and implementation.
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- True
- False
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4. The primary objective in database design is to create complete, denormalized, redundant, and fully integrated conceptual, logical, and physical database models.
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- True
- False
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5. The implementation phase of database design includes creating the database storage structure and loading the database, but does not provide for data management.
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- True
- False
Frage 6
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6. The SDLC traces the history of an information system.
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- True
- False
Frage 7
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7. The SDLC provides the big picture within which the database design and application development
can be mapped out and evaluated.
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- True
- False
Frage 8
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8. The SDLC's planning phase yields a general overview of the company and its objectives.
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- True
- False
Frage 9
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9. Problems defined during the planning phase are examined in greater detail during the analysis phase.
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- True
- False
Frage 10
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10. The existing hardware and software systems are studied during the planning phase.
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- True
- False
Frage 11
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11. The result of analysis should be a better understanding of the system's functional areas, actual and potential problems, and opportunities.
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- True
- False
Frage 12
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12. In the detailed systems design phase, the designer starts the design of the system's processes.
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- True
- False
Frage 13
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13. In the detailed systems design phase, steps are laid out for conversion from the old system to the new system.
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- True
- False
Frage 14
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14. Training principles and methodologies are planned during the implementation phase.
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- True
- False
Frage 15
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15. The detailed systems design phase includes all the necessary technical specifications for the screens, menus, reports, and other devices used to make the system more efficient.
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- True
- False
Frage 16
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16. During the implementation phase, the hardware, the DBMS software, and application programs are installed and the database design is implemented.
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- True
- False
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17. During the testing phase, the system is subjected to exhaustive testing until it is ready for use.
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- True
- False
Frage 18
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18. After testing is concluded, end-user training is not necessary.
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- True
- False
Frage 19
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19. Because every request for structural changes requires retracing the SDLC steps, the system is always
at some stage of the SDLC.
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- True
- False
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20. A system maintenance activity generated in response to changes in the business environment is referred to as corrective maintenance.
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- True
- False
Frage 21
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21. To analyze the company situation, the database designer must discover what the company's operational components are, how they function, and how they interact.
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- True
- False
Frage 22
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22. After the initial declarations in a study, the database designer must carefully probe in order to generate additional information that will help define the problem within the larger framework of company operations.
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- True
- False
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23. In most modern relational DBMSs, a new database implementation requires the creation of special
storage-related constructs to house the end-user tables.
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- True
- False
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24. Data integrity is enforced by the DBMS through the proper use of primary and foreign key rules.
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- True
- False
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25. The testing and evaluation phase occurs after applications programming
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- True
- False
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26. Database performance is one of the least important factors in all database implementations.
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- True
- False
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27. Performance evaluation is rendered more difficult by the fact that there are standard measurements
for database performance.
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- True
- False
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28. The database administrator must be prepared to perform routine maintenance activities within the
database
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- True
- False
Frage 29
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29. Physical design becomes simpler when data is distributed at different locations.
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- True
- False
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30. Decentralized design is typical of relatively simple and/or small databases and can be successfully
done by a single person.
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- True
- False
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