Introduction to Database System
If the record management system allows you to edit values before they are recorded on disk, you can

All of the listed here
correct spelling changes before they are recorded
change the name of a field
change the width of a field

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Introduction to Database System
A good query system

both (a) and (b)
allows non-programmers to access information stored in a database
can accept English language commands
can be accessed only by data processing professionals
None of these

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