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Introduction to Database System

Introduction to Database System
A functional dependency is a relationship between or among attributes.

False
True

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Introduction to Database System
A key is a group of one or more attributes that uniquely identifies a row.

False
True

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Introduction to Database System
Which language has recently become the de-facto standard for interfacing application programs with relational database system?

None of these
4GL
Oracle
dBASE
SQL

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Introduction to Database System
A ____ Contains the smallest unit of meaningful data, so you might call it the basic building block for a data file.

Fields
File structure
Records
Database

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Introduction to Database System
Versatile report generators can provide

None of these
Columnar totals
Subtotals
All of these
Calculations

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Introduction to Database System
One of the reasons why OODBMSs have not been widely used for business information systems is that OOP is obsolete.

True
False

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