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Database Systems
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Question
When you have finished entering information into a form
Options
A. the template is written to the data file
B. the contents of the form are written to the data file
C. the contents of the form can be printed
D. All of the above
E. None of the above
Correct Answer
the contents of the form are written to the data file
Database Systems problems
Search Results
1. If the record management system allows you to edit values before they are recorded on disk, you can
Options
A. correct spelling changes before they are recorded
B. change the name of a field
C. change the width of a field
D. All of the above
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: correct spelling changes before they are recorded
2. If a calculation is embedded in a form
Options
A. the result of the calculations are stored with the form
B. the calculations are stored with the form
C. the result of the calculations are printed in report
D. All of the above
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: the calculations are stored with the form
3. A top-to-bottom relationship among the items in a database is established by a
Options
A. Hierarchical schema
B. Network schema
C. Relational schema
D. All of the above
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: Hierarchical schema
4. The PROJECT command will create new table that has
Options
A. more fields than the original table
B. more rows than the original table
C. both (a) and (b)
D. all the fields of master table
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: None of the above
5. Which of the following is not a relational database?
Options
A. dBASE IV
B. 4th Dimension
C. FoxPro
D. Reflex
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: Reflex
6. Which command is used to remove an index from the database in SQL?
Options
A. DELETE INDEX
B. DROP INDEX
C. REMOVE INDEX
D. ROLL BACK INDEX
E. None of the above
Show Answer
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Discuss
Correct Answer: DROP INDEX
7. A report generator is used to
Options
A. update files
B. print files on paper
C. data entry
D. All of the above
E. None of the above
Show Answer
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Discuss
Correct Answer: print files on paper
8. An-owner-member set in the CODASYL specifications may have
Options
A. only one owner but many owner occurrences
B. only one member but many member occurrence
C. more than one member but only one occurrence per member
D. All of the above
E. None of the above
Show Answer
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Discuss
Correct Answer: only one owner but many owner occurrences
9. Sophisticated report generators can
Options
A. print row-oriented reports
B. perform arithmetic operations
C. selectively retrieve and print portions of a list
D. All of the above
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: All of the above
10. 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
Show Answer
Scratch Pad
Discuss
Correct Answer: both (a) and (b)
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