Database Systems problems
- 1. A condition that led to the development of databases was
Options- A. a demand for more data to support information needs
- B. an increase in the amount of data handled by organizations
- C. the proliferation of data files
- D. All of the above
- E. None of the above. Discuss
Correct Answer: All of the above
- 2. The database administration function includes
Options- A. application programming
- B. computer operations management
- C. database access planning
- D. All of the above
- E. None of the above Discuss
Correct Answer: database access planning
- 3. The term _____ is sometimes used to refer to a data file in which all the records have the same record format, that is, the same field names, field lengths, and data types.
Options- A. Database
- B. Table
- C. Flat file
- D. Data structure
- E. None of the above Discuss
Correct Answer: Flat file
- 4. In SQL, the CREATE TABLESPACE is used
Options- A. to create a place in the database for storage of scheme objects, rollback segments, and naming the data files to comprise the tablespace
- B. to create a database trigger
- C. to add/rename data files, to change storage
- D. All of the above
- E. None of the above Discuss
Correct Answer: to create a place in the database for storage of scheme objects, rollback segments, and naming the data files to comprise the tablespace
- 5. A scheme describes
Options- A. data elements
- B. records and files
- C. record relationships
- D. All of the above
- E. None of the above Discuss
Correct Answer: All of the above
- 6. The master list of an indexed file
Options- A. is sorted in ascending order
- B. contains only a list of keys and record numbers
- C. has a number assigned to each record
- D. both (b) and (c)
- E. None of the above Discuss
Correct Answer: has a number assigned to each record
- 7. Which language has recently become the de-facto standard for interfacing application programs with relational database system?
Options- A. Oracle
- B. SQL
- C. dBASE
- D. 4GL
- E. None of the above Discuss
Correct Answer: SQL
- 8. 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
Correct Answer: All of the above are advantages
- 9. 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
Correct Answer: Client Server
- 10. 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
Correct Answer: UPDATE
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