Exercise: Database Systems

Questions for: Database Systems

A computer file contains several records. What does each record contain?
A:
Bytes
B:
Words
C:
Fields
D:
Database
Answer: C
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Which of the following is not characteristic of a relational database model?
A:
tables
B:
treelike structure
C:
complex logical relationships
D:
records
Answer: B
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In SQL, which of the following is not a data Manipulation Language Commands?
A:
DELETE
B:
SELECT
C:
UPDATE
D:
CREATE
Answer: D
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If you want your database to include methods, you should use a _____ database.
A:
Network
B:
Distributed
C:
Hierarchical
D:
Object-Oriented
Answer: D
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In SQL, which command(s) is(are) used to create a synonym for a schema object?
A:
CREATE SCHEMA
B:
CREATE SYNONYM
C:
CREATE SAME
D:
All of the above
Answer: B
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