Dbi Advanced Talk 200708

This document provides an overview of an advanced Perl DBI tutorial. It discusses various topics related to improving performance when working with databases using the Perl DBI module. These include speeding up queries by reducing round trips to the database, using prepared statements and caching, understanding query planning and optimization, and how to influence query plans through hints. It also provides examples of explaining query plans in MySQL and Oracle. The document is intended to help attendees of a conference tutorial understand performance techniques when working with databases in Perl.