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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

AUTOFLOW
FORTRAN
BPL
TOTAL

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

Database
Fields
File structure
Records

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Introduction to Database System
A primary key is a composite key that was selected to be the main identifier for the relation.

False
True

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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
SQL stands for ________ .

Sequential Query Language
Structured Query Language
Structured Question Language
Sequential Question Language

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

Hierarchical
Distributed
Object-Oriented
Network

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