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Introduction to Database System

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

BPL
AUTOFLOW
TOTAL
FORTRAN

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Introduction to Database System
An audit trail

All of the listed here
is the recorded history of operations performed on a file
is used to make back-up copies
can be used to restore lost information

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

ER
entity class.
database.
attribute.

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Introduction to Database System
A data dictionary is a special file that contains

the names of all fields in all files
the data types of all fields in all files
All of these
the widths of all fields in all files
None of these

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Introduction to Database System
A _____ database does not use pointers or physical links, but instead finds related records by examining the contents of fields.

Object-Oriented
Relational
Hierarchical
Network
None of these

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Introduction to Database System
What name is given to the collection of facts, items of information or data which are related in some way?

Directory information
Information tree
Information provider
Database

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