Discussion
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- Question
Updating a database means
Options- A. revising the file structure
- B. reorganizing the database
- C. modifying or adding record occurrences
- D. All of the above
- E. None of the above
- Correct Answer
- modifying or adding record occurrences
- 1. The data dictionary tells the DBMS
Options- A. what files are in the database
- B. what attribute are possessed by the data
- C. what these files contain
- D. All of the above
- E. None of the above Discuss
- 2. A file produced by a spreadsheet
Options- A. is generally stored on disk in an ASCII text format
- B. can be used as it by the DBMS
- C. can be used for graphic
- D. All of the above
- E. None of the above Discuss
- 3. Periodically adding, changing and deleting file records is called file
Options- A. Updating
- B. upgrading
- C. restructuring
- D. renewing
- E. None of the above Discuss
- 4. Which command is used to remove a table from the database in SQL?
Options- A. DELETE TABLE
- B. DROP TABLE
- C. ERASE TABLE
- D. UNATTACH TABLE
- E. None of the above Discuss
- 5. A database management system
Options- A. allows simultaneous access to multiple files
- B. can do more than a record management system
- C. is a collection of programs for managing data in a single file
- D. both (a) and (b)
- E. None of the above Discuss
- 6. What is the language used by most of the DBMSs for helping their users to access data?
Options- A. High level language
- B. Query language
- C. SQL
- D. 4GL
- E. None of the above Discuss
- 7. Which of the following hardware components is the most important to the operation of a database management system?
Options- A. high-resolution video display
- B. printer
- C. high speed, large-capacity disk
- D. plotter
- E. mouse Discuss
- 8. A systems theory of organization sees the firm as a
Options- A. network of resource flows
- B. system transforming inputs into outputs
- C. physical system managed by a manager using a conceptual system
- D. All of the above
- E. None of the above Discuss
- 9. Production machines were first controlled by the computer by means of
Options- A. punched cards
- B. punched paper tape
- C. magnetic tape
- D. magnetic cards
- E. None of the above Discuss
- 10. The DBA is
Options- A. a person
- B. a computer device
- C. a communication technique
- D. All of the above
- E. None of the above Discuss
Database Systems problems
Search Results
Correct Answer: All of the above
Correct Answer: is generally stored on disk in an ASCII text format
Correct Answer: Updating
Correct Answer: DROP TABLE
Correct Answer: both (a) and (b)
Correct Answer: Query language
Correct Answer: high speed, large-capacity disk
Correct Answer: All of the above
Correct Answer: punched paper tape
Correct Answer: All of the above
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