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Introduction to Database System

Introduction to Database System
Data items grouped together for storage purposes are called a

title
None of these
string
record
list

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Introduction to Database System
Which of the following is a serious problem of file management systems?

data redundancy
All of these
difficult to update
program dependence
lack of data independence

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Introduction to Database System
After you _____ a record, many data management the environments require you to issue a command to save the changes you made.

Update
Sort key
Index
Delete

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Introduction to Database System
A data dictionary doesn't provide information about:

It will be the dominant data base of the future
where data is located
the size of the disk storage device
It is conceptually simple
It allows a many-to-many relationship

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Introduction to Database System
Which of the following is a database administrator's function?

All of the listed here
database design
performance monitoring
backing up the database

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Introduction to Database System
Data item characteristics that are important in data management include

width
language
punctuation
spelling

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