Practicing and exploring

Test your knowledge and understanding by answering some questions, getting some hands-on practice, and exploring this chapter's topics with deeper research.

Exercise 10.1 – Test your knowledge

Answer the following questions:

1. What type would you use for the property that represents a table, for example, the Products property of a database context?
2. What type would you use for the property that represents a one-to-many relationship, for example, the Products property of a Category entity?
3. What is the EF Core convention for primary keys?
4. When might you use an annotation attribute in an entity class?
5. Why might you choose the Fluent API in preference to annotation attributes?
6. What does a transaction isolation level of Serializable mean?
7. What does the DbContext.SaveChanges() method return?
8. What is the difference between eager loading and explicit loading?
9. How should you define an EF Core entity class to match the following table?

CREATE TABLE Employees...