Getting Started with MySQL DevelopmentPart 3 delves deeper into the MySQL system and gives you an insider’s look at what makes the system work. Chapter 11 revisits the topic of query execution in the MySQL architecture and introduces how you can conduct experiments with the source code. Chapter 12 presents the MySQL internal query representation and provides an example alternative query representation. Chapter 13 introduces the MySQL internal query optimizer; it describes an example of an alternative query optimizer that uses the internal representation implementation from the previous chapter. The chapter also shows you how to alter the MySQL source code to implement the alternative query optimizer. Chapter 14 combines the techniques from the previous chapters to implement an alternative query-processing engine.