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Introduction to Database System

Introduction to Database System
A database design may be based on existing data.

False
True

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Introduction to Database System
A _____ means that one record in a particular record type can be related to many records in another record type and vice-versa.

Many-to-one relationship
None of these
Many-to-many relationship
One-to-many relationship
One-to-one relationship

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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.

False
True

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Introduction to Database System
Because it contains a description of its own structure, a database is considered to be ________ .

metadata compatible
self-describing
an application program
described

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Introduction to Database System
The language used in application programs to request data from the DBMS is referred to as the

DML
query language
All of the listed here
DDL

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Introduction to Database System
Which of the following refers to something that can be identified in the user's work environment, something that the users want to track?

Attribute
Entity
Identifier
Relationship

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