Introduction to Database System
An on-line commercial site such as Amazon.com is an example of a(n) ________ .

single-user database application
multiuser database application
e-commerce database application
data mining database application

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

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

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