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Introduction to Database System

Introduction to Database System
If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it.

Update
None of these
Delete
Sort Key
Index

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Introduction to Database System
A set of programs that handle a firm's data base responsibilities is called a

All of these
None of these
Data Base Processing System (DBPS)
Data Base Management System (DBMS)
Data Management System (DMS)

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Introduction to Database System
Which of the following is a serious problem of file management systems?

All of these
data redundancy
difficult to update
lack of data independence
program dependence

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Introduction to Database System
Entities of a given type are grouped into a(n):

database.
attribute.
ER
entity class.

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Introduction to Database System
Which command(s) is(are) used to enable/disable/drop an integrity constraint in SQL?

DEFINE TABLE
All of the listed here
MODIFY TABLE
ALTER TABLE

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Introduction to Database System
In a relation, the rows are sometimes called "fields".

False
True

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