A lot of great talks here for folks interested in Postgres. A few highlights:

-- Find your slow queries, and fix them! - Stephen Frost (https://www.youtube.com/watch?v=d2jBnOh3Y54)

-- Advanced Data Modeling Techniques in PostgreSQL - Christopher Travers (https://www.youtube.com/watch?v=5uEZEf3nrNI)

-- Protect Your PostgreSQL Passwords: How SCRAM Works & Why You Need It - Jonathan S. Katz (https://www.youtube.com/watch?v=20p4zP_pvQU)

-- Community roadmap to sharding - Alexander Korotkov (https://www.youtube.com/watch?v=C4GJAjUcAtg)

-- CREATE STATISTICS - what is it for - Tomas Vondra (https://www.youtube.com/watch?v=xPorz6N8ogE)