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- Question
In order to use a DBMS, it is important to understand
Options- A. the physical schema
- B. all sub-schemas that the system supports
- C. one subschema
- D. both (a) and (b)
- E. None of the above
- Correct Answer
- one subschema
- 1. In SQL, the command(s) is(are) used to create an index for a table or cluster
Options- A. CREATE INDEX
- B. MODIFY INDEX
- C. SET INDEX TO FILE
- D. All of the above
- E. None of the above Discuss
- 2. In SQL, which command(s) is(are) used to recompile a stored function?
Options- A. SET FUNCTION
- B. SET STORED FUNCTION
- C. ALTER FUNCTION
- D. All of the above
- E. None of the above Discuss
- 3. In SQL, which of the following is not a data definition language commands?
Options- A. RENAME
- B. REVOKE
- C. GRANT
- D. UPDATE
- E. None of the above Discuss
- 4. A _____ DBMS distributes data processing tasks between the workstation and a network server.
Options- A. Network
- B. Relational
- C. Client Server
- D. Hierarchical
- E. None of the above. Discuss
- 5. Which of the following is not an advantage of the data-base approach?
Options- A. elimination of the data redundancy
- B. ability to associate related data
- C. increased security
- D. program/data independence
- E. All of the above are advantages Discuss
- 6. Report generators are used to
Options- A. store data input by a user
- B. retrieve information from files
- C. answer queries
- D. both (b) and (c)
- E. None of the above Discuss
- 7. Administrate supervision of database activities is the responsibility of the
Options- A. Database administrator
- B. DP Manager
- C. DB Manager
- D. DP administration
- E. None of the above Discuss
- 8. There are certain packages that allow people to define data items, place these items in particular records, combine the records into designated files and then manipulate and retrieve the stored data. What are they called?
Options- A. Data storage system
- B. Database management system (DBMS)
- C. Batch processing system
- D. Data communication package
- E. None of the above Discuss
- 9. Subschema can be used to
Options- A. create very different, personalized views of the same data
- B. present information in different formats
- C. hide sensitive information by omitting fields from the sub¬schema's description
- D. All of the above
- E. None of the above Discuss
- 10. Data integrity control
Options- A. is used to set upper and lower limits on numeric data
- B. requires the use of passwords to prohibit unauthorized access to the file
- C. has the data dictionary keep the date and time of last access last back-up, and most recent modification for all files
- D. All of the above
- E. None of the above Discuss
Database Systems problems
Search Results
Correct Answer: CREATE INDEX
Correct Answer: ALTER FUNCTION
Correct Answer: UPDATE
Correct Answer: Client Server
Correct Answer: All of the above are advantages
Correct Answer: both (b) and (c)
Correct Answer: Database administrator
Correct Answer: Database management system (DBMS)
Correct Answer: All of the above
Correct Answer: has the data dictionary keep the date and time of last access last back-up, and most recent modification for all files
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