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Introduction to Database System

Introduction to Database System
Each of data files has a _____ that describe the way the data is stored in the file.

Records
Database
Fields
File structure

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Introduction to Database System
Table is synonymous with the term:

field.
record.
column.
relation.

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Introduction to Database System
Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity?

ID-independent entity
Weak entity
ID-dependent entity
Strong entity

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Introduction to Database System
An Enterprise Resource Planning application is an example of a(n) ________ .

data mining database application
single-user database application
multiuser database application
e-commerce database application

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Introduction to Database System
Which of the following indicates the minimum number of entities that must be involved in a relationship?

Minimum cardinality
ERD
Greater Entity Count (GEC)
Maximum cardinality

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Introduction to Database System
Entity instances are associated by relationship classes.

True
False

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