[mooreds]

I saw an amazing presentation at a ruby meetup about database indexes for developers (for example). Will see if I can dig it up.

[mooreds]

Here you are. The slides aren't as good as the tall (as you'd expect) but still may be helpful.

Other core technologies (in my opinion): cookies, http, TCP/IP, caching.

[mooreds]

Ack, forgot the link: https://speakerdeck.com/heimir/databases-for-developers