Titlebook

Adenoma

Debuggings are easy to develop and less prone to failure. I’ll also explore the most common techniques for debugging the MySQL system. If you have already developed solid debugging skills, feel free to skim the following sections and move on to the section “Debugging MySQL.”

Lumbar-Spine

Conscientious

低能儿

obsession

连系

屈尊

抗原

Query Optimizationhis chapter, I show you how to add the optimizer to the query-tree class. I begin by explaining the rationale for the heuristics (or rules) used in the optimizer and then jump into writing the code. Because the code for some of the functions is quite lengthy, the examples in this chapter are excerpt

乞讨

Query ExecutionBXP query-execution engine. In this chapter, I show you how to expand the query-tree class to process project, restrict, and join operations. This will give you a glimpse into the world of database-query execution. I begin by briefly explaining the basic principles of the query execution algorithms

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