Models for hierarchical data

Sql Antipatterns Strike Back

Sql Injection Myths and Fallacies

Full Text Search In PostgreSQL

Read / Write Splitting with MySQL and PHP

Sql query patterns, optimized

Practical Object Oriented Models In Sql

SQL Outer Joins for Fun and Profit

Full Text Search Throwdown

Extensible Data Modeling

Percona toolkit

MySQL 5.5 Guide to InnoDB Status

Survey of Percona Toolkit

Requirements the Last Bottleneck

How to Design Indexes, Really

InnoDB Locking Explained with Stick Figures

Load Data Fast!

Recursive Query Throwdown