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INTRODUCTION TO DATABASE SYSTEM

Introduction to Database System
Which command is used to remove a table from the database in SQL?

DELETE TABLE
ERASE TABLE
DROP TABLE
UNATTACH TABLE

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Introduction to Database System
A large computer information system maintains many different computer files. Which amongst them is called a perpetual file?

Update file
Master file
Specialized file
Log file

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Introduction to Database System
A file produced by a spreadsheet

can be used for graphic
is generally stored on disk in an ASCII text format
all of the listed here
can be used as it by the DBMS

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Introduction to Database System
A form defines

the width of each field
where data is placed on the screen
both of the listed here
none of the listed here

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Introduction to Database System
Which of the following is true of a network structure?

It is conceptually simple
It allows a many-to-many relationship
It is a physical representation of the data
It will be the dominant data base of the future

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