Introduction to MySQL Stored Programs

When MySQL first emerged into the IT world in the mid-1990s, it had few of the characteristics normally associated with commercial relational databases. Features such as transactional support, subqueries, views, and stored procedures were conspicuously absent. Subsequent releases provided most of the missing features, and nowwith the introduction of stored procedures, functions, and triggers in MySQL 5 (as well as updateable views and a data dictionary)the feature gap between MySQL and other relational database systems is narrow indeed.

The introduction of stored programs (our generic term for stored procedures, functions, and triggers) has significance beyond simply winning a features war with competitive database systems. Without stored programs, MySQL cannot claim full compliance with a variety of standards, including ANSI/ISO standards that describe how a DBMS should execute stored programs. Furthermore, judicious use of stored programs can lead to greater database security and integrity and can improve overall application performance and maintainability. We outline these advantages in greater detail later in this chapter.

In short, stored programsprocedures, functions, and triggersadd significantly to the capabilities of MySQL, and a working knowledge of stored programming should be an essential skill for the MySQL professional.

This chapter introduces the MySQL stored program language, its origins, and its capabilities. It also offers a guide to additional resources for MySQL stored program developers and some words of overall development advice.

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

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