Exercise: Database Systems

Questions for: Database Systems

The Management Information system (MIS) structure with one main computer system is called a
A:
hierarchical MIS structure
B:
distributed MIS structure
C:
centralized MIS structure
D:
decentralized MIS structure
Answer: C
No answer description is available. Let's discuss.
If you want to group the records in the abc database, you could use the Jobcode as the _____.
A:
Delete
B:
Update
C:
Sort Key
D:
Index
Answer: C
No answer description is available. Let's discuss.
A number of related records that are treated as a unit is called
A:
file
B:
field
C:
data
D:
batch
Answer: A
No answer description is available. Let's discuss.
In SQL, which command is used to add new rows to a table?
A:
ALTER TABLE
B:
ADD ROW
C:
INSERT
D:
APPEND
Answer: C
No answer description is available. Let's discuss.
A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be
A:
the pin code
B:
the last name
C:
a compound key consisting of the first name and the last name
D:
All of the above
Answer: C
No answer description is available. Let's discuss.
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