MySQL Getting started http://www.sqlteaching.com/ https://www.codecademy.com/learn/learn-sql https://www.codecademy.com/catalog/language/sql Related tutorials MySQL-CLI Analyzing Business Metrics
tmux cheat sheet (C-x means ctrl+x, M-x means alt+x) Prefix key The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf: remap prefix to Control + a