It's not your fault: it's easy to get lost in costs and other estimates. Join Erik Darling to learn all about the secrets of why Query Bucks are better than Bitcoin, and what you need to know to use them without getting into trouble. Erik will share anti-patterns, common goofs, and extra creepy edge cases that will catch up with you eventually. You'll leave this session with a grab bag of techniques that will up your database query tuning game.