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Introduction to Database System

Introduction to Database System
If you want your database to include methods, you should use a _____ database.

Distributed
Network
Object-Oriented
Hierarchical

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Introduction to Database System
In which of the following is a single-entity instance of one type of related to a single-entity instance of another type?

Many-to-Many Relationship
One-to-One Relationship
Composite Relationship
One-to-Many Relationship

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Introduction to Database System
A file that is organized in uniform format is formally referred to as a _____ or a database file.

Document
Database
Record
None of these
Structured data file

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Introduction to Database System
A computer file can be best described as

an orderly collection of data items
a random collection of data items
a single data item
a general collection of data items
None of these

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Introduction to Database System
Which of the following is not a restriction for a table to be a relation?

The columns must be ordered.
All of the entries in any column must be of the same kind.
The cells of the table must contain a single value.
No two rows in a table may be identical.

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Introduction to Database System
When using a database management system, the first thing that you must do is to

keep a floppy disk in readiness
create a database file
load the software into your micro¬computer
activate file editor

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