7.9. Summary

ActiveRecord has changed the way many developers write Web applications. This chapter has provided you with a wide spectrum of topics that are considered fundamental for any Rails programmer. Integrating this knowledge with the official API documentation should enable you to write all sorts of database-driven Web applications.

The next chapter deals with the fundamentals of working with controllers, the C component of the MCV triad. Chapter 9 completes it, by introducing a few fundamental notions concerning the view layer.