Bad habits: we all have them. SELECT * is the obvious one; but in this session you will learn about various other habits and why they can be bad for performance or maintainability. You will also learn about best practices that will help you avoid falling into some of these bad habits. Come learn how these habits develop, what kind of problems they can lead to, and how you can avoid them - leading to more efficient code, a more productive work environment, and - in a lot of cases - both.