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Chapter 4: Indexes and Query Optimization
Overview
Getting a query to work is one thing, but getting a query to work quickly when the clients are piling up is another. You can speed up your queries in some basic ways. Using indexes intelligently can make a huge difference, while carefully fine-tuning your system can also make a noticeable improvement.
Featured in this chapter:
Creating and using indexes
Primary keys, unique indexes, full-text indexes, and ordinary indexes
Full-text searches
Dropping or changing an index
Auto increment fields
Analyzing queries with EXPLAIN
Optimizing SELECT statements
