Introduction to Database System
Updating a database means

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

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Introduction to Database System
A logical schema

is the entire database
describes how data is actually stored on disk
is a standard way of organizing information into accessible parts
None of these
All of these

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Introduction to Database System
When performing a look-up operation using a form

you look at each form sequentially until you see the one you want
None of these
you type the key in an entry line, and the correct form is displayed
All of these
you enter the search value into the form

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