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Basic SQL Tuning

In this chapter, we will tune of simple SQL statements that may be included in MySQL stored programs. In particular, we'll optimize two of the most often executed SQL operations: retrieving data from a single table and joining two or more tables. Topics include:

  • How to determine when the use of an index is required to optimize a query
  • How to construct the best indexes to support specific queries
  • How MySQL chooses between available indexes, and how to direct MySQL to use a specific index if necessary
  • How to avoid "suppressing" an index
  • What to do when no index will suffice to optimize a query
  • How MySQL processes joins between multiple tables
  • How to create indexes that optimize table joins
  • How to determine the optimal join order and how to force MySQL to use a particular join order

Chapter 21 builds on these fundamentals, optimizing more complex SQL operations.

Examples in this chapter are based on tables created using the InnoDB storage engine. Although the same MySQL optimizer is used for all storage engines, you may observe different behaviors in other storage engines because of differences in optimizer statistics and indexing approaches.

Part I: Stored Programming Fundamentals

Introduction to MySQL Stored Programs

MySQL Stored Programming Tutorial

Language Fundamentals

Blocks, Conditional Statements, and Iterative Programming

Using SQL in Stored Programming

Error Handling

Part II: Stored Program Construction

Creating and Maintaining Stored Programs

Transaction Management

MySQL Built-in Functions

Stored Functions

Triggers

Part III: Using MySQL Stored Programs in Applications

Using MySQL Stored Programs in Applications

Using MySQL Stored Programs with PHP

Using MySQL Stored Programs with Java

Using MySQL Stored Programs with Perl

Using MySQL Stored Programs with Python

Using MySQL Stored Programs with .NET

Part IV: Optimizing Stored Programs

Stored Program Security

Tuning Stored Programs and Their SQL

Basic SQL Tuning

Advanced SQL Tuning

Optimizing Stored Program Code

Best Practices in MySQL Stored Program Development





MySQL Stored Procedure Programming
MySQL Stored Procedure Programming
ISBN: 0596100892
EAN: 2147483647
Year: 2004
Pages: 208
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