Blog

The concept of a data warehouse is quite old, it originates from late 1980’s. Yet, in our practice we find out the term “data warehouse” is often misunderstood. The presence of a similar term, a data lake, does not makes things easier and the two concepts are frequently confused or mixed.

In the other post on Coronavirus reporting we touched briefly the topic of dimensions. In particular we discussed about the temporal dimension. Since dimensional modelling is a basic concept in the data warehouse design it deserves a separate post. The temporal dimension is commonly used in practically every business and science domain. Time / date is commonly considered as an […]

The evolution of the COVID-19 coronavirus epidemic triggered an enormous interest in crunching the available data. There are plenty of data on this topic readily available, which makes this task to appear particularly easy. Both official institutions and individuals have created a number of various visualisations, of various quality and various practical usefulness. I must […]

At the time of writing it is year 2019. Yes, 2019. Not 1819 – the middle of Industrial Revolution, not 1919 – when the Hours of Work (Industry) Convention was established, but 2019. It was just few months ago when we celebrated the 50th anniversary of the first man landing on the Moon. World Wide Web was invented 30 years […]

Is the time spent in the office more productive comparing to the time worked elsewhere? Apparently not. At least not when in comes to open-space offices, by far the most popular now. There are more distractions, which means less focus. The open-space office, with its inherent noise and lack of privacy, greatly contribute to that. People […]