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Introduction to Database System

Introduction to Database System
A database has data and relationships.

False
True

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

data record
database
data bank
data file

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Introduction to Database System
When you have finished entering information into a form

All of the listed here
the template is written to the data file
the contents of the form are written to the data file
the contents of the form can be printed

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Introduction to Database System
If a piece of data is stored in two places in the database, then

both (a) and (b)
changing the data is one spot will cause data inconsistency
it can be more easily accessed
storage space is wasted
None of these

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Introduction to Database System
A recursive relationship is a relationship between an archetype and an instance of that archetype.

False
True

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Introduction to Database System
Queries to a database

are written in English
None of these
both (a) and (b)
can use aggregate functions like SUM and COUNT
All of these

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