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

Correct Answer: B. the contents of the form are written to the data file

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

Correct Answer: B. store information together

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

Correct Answer: C. a compound key consisting of the first name and the last name

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

Correct Answer: C. INSERT

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

Correct Answer: A. file

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