A data model is a formal way of representing the data that are used and created by a business system.
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Q53: Relationships are some type of information that
Q54: An illustration of the transformation of data
Q55: Relationships are associations between entities.
Q56: A graphical illustration that shows the information
Q58: ERD's and DFD's are two techniques for
Q59: A textbook-provided example of a 'full-service CASE'
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