Write the ten cardinalities that are appropriate for this ERD.
Answer to relevant QuestionsWrite the business rules reflected in this ERD.How is a composite entity represented in an ERD, and what is its function? Illustrate the Crow’s Foot model.Automata Inc. produces specialty vehicles by contract. The company operates several departments, each of which builds a particular vehicle, such as a limousine, a truck, a van, or an RV.Before a new vehicle is built, the ...According to the data model, is it required that every entity instance in the PRODUCT table be associated with an entity instance in the CD table? Why or why not?What is a subtype discriminator? Given an example of its use.
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