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Introduction to Database System

Introduction to Database System
A ____ Contains the smallest unit of meaningful data, so you might call it the basic building block for a data file.

File structure
Database
Fields
Records

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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
A database management system might consist of application programs and a software package called

TOTAL
BPL
FORTRAN
AUTOFLOW

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Introduction to Database System
A relation is considered a:

three-dimensional table.
Column.
one-dimensional table.
two-dimensional table.

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Introduction to Database System
Primitive operations common to all record management systems include

Print
Look-up
Sort
All of the listed here

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Introduction to Database System
If a piece of data is stored in two places in the database, then

changing the data is one spot will cause data inconsistency
storage space is wasted
None of these
both (a) and (b)
it can be more easily accessed

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