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Introduction to Database System

Introduction to Database System
The main idea behind computer files is that it is convenient to

create them
access them
arrange them
store information together

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Introduction to Database System
In SQL, which command(s) is(are) used to redefine an index's future storage allocation

MODIFY INDEX
ALTER INDEX
None of these
DO INDEX
REDEFINE INDEX

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

DELETE
SELECT
CREATE
UPDATE

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Introduction to Database System
An identifier determines the type of relationship that an entity has.

False
True

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Introduction to Database System
The different classes of relations created by the technique for preventing modification anomalies are called:

referential integrity constraints.
None of these
functional dependencies.
normal forms.

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Introduction to Database System
A database management system

allows simultaneous access to multiple files
can do more than a record management system
Both of the listed here
None of the listed here

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