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How many relationships appear in the ER diagram? ro H AJAX_REGION RegionID RegionName PK PK FK FK AJAX_CUSTOMER Customer PK RegionID FK LastName FirstName EmailAddress

How many relationships appear in the ER diagram?

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ro H AJAX_REGION RegionID RegionName PK PK FK FK AJAX_CUSTOMER Customer PK RegionID FK LastName FirstName EmailAddress Phone StreetAddress City State Zip AJAX_ORDER Order Number CustomerID DeliveryID OrderDate Order Type PaymentType SubTotal Shipping AJAX_LINE_ITEM Order Number PK FK LineNumber PK ProductNumber FK Quantity AJAX_DELIVERY DeliveryID DeliveryDesc PK AJAX_PRODUCT Product Number PK

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