Exercise: Database Systems

Questions for: Database Systems

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)
Answer: B
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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
Answer: C
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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
Answer: B
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A scheme describes
A:
data elements
B:
records and files
C:
record relationships
D:
All of the above
Answer: D
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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
Answer: B
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