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- Question
A computer file contains several records. What does each record contain?
Options- A. Bytes
- B. Words
- C. Fields
- D. Database
- E. None of the above
- Correct Answer
- Fields
- 1. Data security threats include
Options- A. hardware failure
- B. privacy invasion
- C. fraudulent manipulation of data
- D. All of the above
- E. None of the above Discuss
- 2. With respect to data input, the most accurate description of batch control is
Options- A. dividing documents to be entered into batches
- B. controlling the input of each input clerk
- C. comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system
- D. All of the above
- E. None of the above Discuss
- 3. A compound key
Options- A. is made up a several pieces of information
- B. uniquely identifies an item in a list
- C. both (a) and (b)
- D. is a combination of each unique key
- E. None of the above Discuss
- 4. In SQL, which command is used to create a database user?
Options- A. ADD USER TO DATABASE
- B. MK USER
- C. CREATE USER
- D. All of the above
- E. None of the above Discuss
- 5. In SQL, which command(s) is(are) used to create a synonym for a schema object?
Options- A. CREATE SCHEMA
- B. CREATE SYNONYM
- C. CREATE SAME
- D. All of the above
- E. None of the above Discuss
- 6. If you want your database to include methods, you should use a _____ database.
Options- A. Network
- B. Distributed
- C. Hierarchical
- D. Object-Oriented
- E. None of the above Discuss
- 7. The language used in application programs to request data from the DBMS is referred to as the
Options- A. DML
- B. DDL
- C. query language
- D. All of the above
- E. None of the above Discuss
- 8. In SQL, the ALTER TABLESPACE command is used
Options- A. to add/rename data files
- B. to change storage characteristics
- C. to take a tablespace online/offline
- D. to begin/end a backup
- E. All of the above Discuss
- 9. Characteristic(s) of a distributed MIS structure is
Options- A. interactive sharing of the workload
- B. a multiprocessing environment
- C. computers supporting local DP operations
- D. All of the above
- E. None of the above Discuss
- 10. A ____ Contains the smallest unit of meaningful data, so you might call it the basic building block for a data file.
Options- A. File structure
- B. Records
- C. Fields
- D. Database
- E. None of the above Discuss
Database Systems problems
Search Results
Correct Answer: privacy invasion
Correct Answer: comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system
Correct Answer: both (a) and (b)
Correct Answer: CREATE USER
Correct Answer: CREATE SYNONYM
Correct Answer: Object-Oriented
Correct Answer: DML
Correct Answer: All of the above
Correct Answer: All of the above
Correct Answer: Fields
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