Computer Science - Database Systems

Exercise :: Database Systems - Section 1

41. 

When you have finished entering information into a form

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

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

42. 

The main idea behind computer files is that it is convenient to

A. arrange them
B. store information together
C. create them
D. access them
E. None of the above

Answer: Option B

Explanation:

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43. 

A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be

A. the pin code
B. the last name
C. a compound key consisting of the first name and the last name
D. All of the above
E. None of the above

Answer: Option C

Explanation:

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44. 

In SQL, which command is used to add new rows to a table?

A. ALTER TABLE
B. ADD ROW
C. INSERT
D. APPEND
E. None of the above

Answer: Option C

Explanation:

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45. 

A number of related records that are treated as a unit is called

A. file
B. field
C. data
D. batch
E. None of the above

Answer: Option A

Explanation:

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