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Introduction to Database System

Introduction to Database System
Which of the following is not considered to be a basic element of an enterprise-class database system?

DBMS
Database applications
Users
COBOL programs

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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
A DBMS that combines a DBMS and an application generator is ________ .

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

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Introduction to Database System
An entity class is a collection of entities and is described by the structure of the entities in that class.

False
True

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Introduction to Database System
The logical data structure with a one-to-many relationship is a

tree
network
relational
chain

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Introduction to Database System
Properties that describe the characteristics of entities are called:

identifiers.
relationships.
attributes.
entities.

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