Introduction to Database System
In which of the following is a single-entity instance of one type of related to a single-entity instance of another type?

One-to-One Relationship
Many-to-Many Relationship
One-to-Many Relationship
Composite Relationship

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

All of these
you enter the search value into the 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

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