Below are a variety of presentations and documents about PostgreSQL authored by PostgreSQL Experts staff.  Most of these are offered under a Creative Commons license.  The below are mostly PDF files; contact us for source for these presentations (either OpenOffice or Keynote, depending).

If you are interested in training on PostgreSQL administration, performance tuning, hacking or application development, please contact us.

Performance

• Scale Fail: How I Learned to Love the Downtime
• Really Big Elephants: PostgreSQL DW
• Database Health Check
• Five Steps to PostgreSQL Performance
• Performance Whack-a-Mole Tutorial (pgCon 2009)
• Performance Whackamole (short version)

Administration

• The Accidental DBA
• GUC Tutorial Package (9.0)
• 9.0 Annotated.conf
• 8.3 Annotated GUC

Database Design

• Firehose Engineering
• Super Jumbo Deluxe
• Data Warehousing 101(and a video)
• Relational vs. Non-Relational
• Safety LAMP: data security & agile languages
• Simplifying Database Development (OSCON 2009)
• Ten Ways to Destroy Your Database
• You can do THAT without Perl?
• Building a SQL Database that Works
• Introducing Windowing Functions (pgCon 2009)
• Unit Test Your Database! (PgCon 2009)
• Safe Data is Happy Data
• Keyvil Lightning Talk

PostgreSQL Project

• 9.2 And Beyond
• 9.1 Grand Tour
• Postgres Open Keynote: The Next 25 Years
• 9.1 Mystery Tour
• PostgreSQL Development Today: 9.0
• Writeable CTEs: The Next Big Thing
• Elephant Roads: PostgreSQL Patches and Variants
• 8.4 Upcoming Features
• 50 Ways To Love Your Project
• Development of 8.3 In India
• PostgreSQL and MySQL

Open Source

• Preventing Community (from Linux Collab)
• 5 (more) Ways To Destroy Your Community
• Open Source Press Relations
• 10 Ways to Destroy Your Community

Programming

• PWNage: Producing a newsletter with Perl