tl;dr:"This quick ‘n dirty hack that I wrote in a couple of minutes replaced two weeks worth of work in 1987 and ran almost two million times faster." Curtis shows us the BASIC code he wrote 35 years ago and it's contemporary counterpart.
tl;dr:Curtis runs through some tips on database design - whether to go with camel case names or underscore\_names, plural or singular tables, column naming, and more.