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Introduction to Database System

Introduction to Database System
Which of the following is not characteristic of a relational database model?

treelike structure
tables
complex logical relationships
records

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Introduction to Database System
A relation is in 5NF when multivalued dependencies are isolated in their own relation.

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?

Oracle
None of these
SQL
4GL
dBASE

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Introduction to Database System
A database management system might consist of application programs and a software package called

AUTOFLOW
FORTRAN
BPL
TOTAL

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Introduction to Database System
The model for a _____ resembles the hierarchical model in many respects.

Relational database
Hierarchical database
Distributed database
Network database
None of these

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

attribute.
ER
database.
entity class.

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