[svan99]

Nice writeup. If you are interested in learning KDB/Q, please take a look at this book: http://code.kx.com/mkdocs/qformortals3/

[picodoc]

or for a really quick high level overview you can use this: https://learnxinyminutes.com/docs/kdb+/

it's a really beautiful little language once you get into it :-)