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Introduction to Database System

Introduction to Database System
An operation that will increase the length of a list is

All of the listed here
Look-up
Insert
Modify

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Introduction to Database System
Which two files are used during operation of the DBMS?

None of the listed here
query language and utilities
data dictionary and query language
data dictionary and transaction log

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Introduction to Database System
Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM?

dBase-II
R:base
DB2
IDMS

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Introduction to Database System
The data dictionary tells the DBMS

what these files contain
what files are in the database
All of the listed here
what attribute are possessed by the data

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Introduction to Database System
Updating a database means

reorganizing the database
all of the listed here
revising the file structure
modifying or adding record occurrences

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Introduction to Database System
The highest level in the hierarchy of data organization is called

data bank
data file
database
data record

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