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Computer Science - Database Systems

Exercise : Database Systems - Section 1
16.
The files stored on a secondary stage device are composed of a hierarchy of data. What does a record in a file contain?
Bits
Characters
Data field
Schema
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Which command is used to remove an index from the database in SQL?
DELETE INDEX
DROP INDEX
REMOVE INDEX
ROLL BACK INDEX
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
An-owner-member set in the CODASYL specifications may have
only one owner but many owner occurrences
only one member but many member occurrence
more than one member but only one occurrence per member
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
What is the name given to the database management system which is able to handle full text data, image data, audio and video?
Full media
Graphics media
Multimedia
Hypertext
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
A top-to-bottom relationship among the items in a database is established by a
Hierarchical schema
Network schema
Relational schema
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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