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Introduction to Database System

Introduction to Database System
If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it.

Index
Delete
Update
Sort Key
None of these

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Introduction to Database System
Periodically adding, changing and deleting file records is called file

Updating
upgrading
restructuring
renewing

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Introduction to Database System
The language used in application programs to request data from the DBMS is referred to as the

DML
query language
All of the listed here
DDL

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Introduction to Database System
The data-base environment has all of the following components except:

users
data base
separate files
data-base administrator
None of these

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Introduction to Database System
A relational database management (RDBM) package manages data in more than one file at once. How does it organize these file? As

relations
tuple
both (a) and (b)
None of these
tables

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Introduction to Database System
An attribute is a(n):

column of a table.
two dimensional table.
key of a table.
row of a table.

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