Database Systems – Section 3

1. In SQL, which command is used to select data in rows and column from one or more tables?

A. CHOOSE
B. SELECT
C. LIST
D. BROWSE
E. None of the above

Correct Answer: B. SELECT

2. A scheme describes

A. data elements
B. records and files
C. record relationships
D. All of the above
E. None of the above

Correct Answer: D. All of the above

3. A report form

A. appears on the computer monitor during data entry
B. is used during report generation to format data
C. both (a) and (b)
D. All of the above
E. None of the above

Correct Answer: B. is used during report generation to format data

4. A computer file can be best described as

A. a single data item
B. a general collection of data items
C. an orderly collection of data items
D. a random collection of data items
E. None of the above

Correct Answer: C. an orderly collection of data items

5. A good query system

A. can accept English language commands
B. allows non-programmers to access information stored in a database
C. can be accessed only by data processing professionals
D. both (a) and (b)
E. None of the above

Correct Answer: B. allows non-programmers to access information stored in a database

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