Please answer 27-29

27. What is the best description of the relationship between instructor a UML class diagram? nd course in the following Instructor Course L. A. One-to-zero B. One-to-many C. Zero-to-many D. Many-to-many Which attribute in the following class would make the best primary key? 28. Customer Customer Name Street City State Postal Code Customer ID Phone Number E-mail Address Credit Limit A. B. C. D. Customer Customer Name E-mail address Customer ID 29. When implementing the database from a UML class diagram, attributes should be mapped to which of the following? A. Tables B. Relationships C. Fields D. Indexes