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MySQL 
MySQL & mSQL (R. Yarger, et al) [Mirror] [Mirror] [Mirror] [Mirror] [Mirror] [Mirror]
PHP & MySQL Tutorial [Another] [Another] [Another] [Another] [Another]
MySQL Reference Manual [PDF] MySQL Connector/J Documentation
Getting Started with MySQL Building a Database-Driven Web Site Using PHP & MySQL
Getting Started with MySQL and SQL (Paul Dubois) MySQL Basics [Mirror]
MySQL Freaks Tutorial  
Intrusion Detection Systems (IDS) with Snort: Advanced IDS with Snort, Apache, MySQL, PHP, and ACID