If you want to try out q there's a similar video available for it here: http://www.timestored.com/kdb-guides/getting-started-kdb http://www.timestored.com/kdb-g

If you want to try out q there's a similar video available for it here: http://www.timestored.com/kdb-guides/getting-started-kdb http://www.timestored.com/kdb-guides/getting-started-kdb q isn't open source but it is widely used by most major banks to analyse their time series data and there are very well paying and interesting jobs available.