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1.     Given the model for a parts database, is the following diagram a hierarchical, network or relational database?















2.     Describe how it would look if it were relational. Why would the relational model be better for this application?









3.     Design the schema for keeping information on flowers for a mail-order company including information about each kind of flower, the method of delivery (seeds, bulb, pot, etc.) and the temperature zones in which each flower will grow.