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Introduction to Database System

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
In an enterprise-class database system, business users interact directly with database applications, which directly access the database data.

False
True

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Introduction to Database System
The _____ command is used to allocates an extent for the table in SQL

ALTER TABLE
MODIFY ALLOCATES
None of these
REDEFINE TABLE
MODIFY TABLE

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Introduction to Database System
The DBMS that is most difficult to use is ________ .

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

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Introduction to Database System
In order to use a record management system

None of these
You need to understand the low-level details of how information in stored
All of these
You need to understand the model the record management system uses.
Both (a) and (b)

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Introduction to Database System
The PROJECT command will create new table that has

none of the listed here
both of the listed here
more rows than the original table
more fields than the original table

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