What is the purpose of an intersection entity? How do you know whether one is needed in an ERD?
Answer to relevant QuestionsDescribe the three-step process of creating an intersection entity.Draw data models for the following entities:• Movie (title, producer, length, director, genre)• Ticket (price, adult or child, show-time, movie)• Patron (name, adult or child, age)Create a data model for one of the processes in the end-of-chapter Exercises for Chapter 4. Explain how you would balance the data model and process model.Value-added contracts can be quite rare-and very dramatic. They exist when a vendor is paid a percentage of revenue generated by the new system, which reduces the up-front fee, sometimes to zero.The landmark deal of this ...What is meant by customizing a software package?
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