Exercise: Database Systems

Questions for: Database Systems

The main idea behind computer files is that it is convenient to
A:
arrange them
B:
store information together
C:
create them
D:
access them
Answer: B
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When you have finished entering information into a form
A:
the template is written to the data file
B:
the contents of the form are written to the data file
C:
the contents of the form can be printed
D:
All of the above
Answer: B
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In SQL, which command(s) is(are) used to enable/disable all triggers on a table?
A:
ALTER TRIGGERS
B:
ALTER TABLE
C:
MODIFY TRIGGERS IN TABLE
D:
All of the above
Answer: B
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Updating a database means
A:
revising the file structure
B:
reorganizing the database
C:
modifying or adding record occurrences
D:
All of the above
Answer: C
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The logical data structure with a one-to-many relationship is a :
A:
network
B:
tree
C:
chain
D:
relational
Answer: B
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