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Introduction to Database System

Introduction to Database System
In SQL, which command is used to select data in rows and column from one or more tables?

CHOOSE
SELECT
BROWSE
None of these
LIST

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Introduction to Database System
A DBMS that combines a DBMS and an application generator is ________ .

Microsoft's SQL Server
Oracle Corporation's Oracle
IBM's DB2
Microsoft's Access

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Introduction to Database System
In the relational model, relationships between relations or tables are created by using:

composite keys.
candidate keys.
determinants.
foreign keys.

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Introduction to Database System
In the DBM approach, application programs perform the

processing functions
all of the listed here
access control
storage function

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Introduction to Database System
An entity is something that can be identified in the user's work environment; something that the users want to track.

True
False

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Introduction to Database System
Periodically adding, changing and deleting file records is called file

restructuring
Updating
upgrading
renewing

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