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Introduction to Database System

Introduction to Database System
In SQL, which of the following is not a data Manipulation Language Commands?

CREATE
DELETE
UPDATE
SELECT

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Introduction to Database System
A relation is in 5NF when multivalued dependencies are isolated in their own relation.

False
True

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Introduction to Database System
Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM?

DB2
dBase-II
R:base
IDMS

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Introduction to Database System
In any hierarchy of data organization, the smallest entity to be processed as a single unit is called

data field
None of these
data record
data file
database

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Introduction to Database System
If you want your database to include methods, you should use a _____ database.

Network
Object-Oriented
Hierarchical
Distributed

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Introduction to Database System
A minimum cardinality is the minimum number of entity instances that may participate in a relationship instance.

False
True

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