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Computer Science - Database Systems

Exercise : Database Systems - Section 3
1.
In SQL, which command is used to select data in rows and column from one or more tables?
CHOOSE
SELECT
LIST
BROWSE
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
A scheme describes
data elements
records and files
record relationships
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
A report form
appears on the computer monitor during data entry
is used during report generation to format data
both (a) and (b)
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
A computer file can be best described as
a single data item
a general collection of data items
an orderly collection of data items
a random collection of data items
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
A good query system
can accept English language commands
allows non-programmers to access information stored in a database
can be accessed only by data processing professionals
both (a) and (b)
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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