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Computer Science - Database Systems

Exercise : Database Systems - Section 1
31.
Which command is used to remove a table from the database in SQL?
DELETE TABLE
DROP TABLE
ERASE TABLE
UNATTACH TABLE
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
A large computer information system maintains many different computer files. Which amongst them is called a perpetual file?
Specialized file
Log file
Master file
Update file
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
A file produced by a spreadsheet
is generally stored on disk in an ASCII text format
can be used as it by the DBMS
can be used for graphic
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
A form defines
where data is placed on the screen
the width of each field
both (a) and (b)
Either (a) or (b)
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
Which of the following is true of a network structure?
It is a physical representation of the data
It allows a many-to-many relationship
It is conceptually simple
It will be the dominant data base of the future
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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