7. We have ERD Diagrams and Relational diagrams. What is the difference? Use your own project to show example of each. 8. Describe in detail the types of keys and provide an example of how they are used. 9. Describe Normalization, why we perform these steps and provide a detailed explanation of the steps to get to 3rd normal form. 10. Use the following script to create tables and insert the data into your sql server instance. You will need to create a database first. Create the database to be your name and year (i.e. barker2020)