SQL101 / Relational Database Management Systems

A lot of SQL tutorials go through the ins and outs of writing SQL Statements, however, I wanted to do something slightly different and more comprehensive in this tutorial...

INDEX() Table Calculation

The INDEX() function returns the index of the current row in the partition, without any sorting with regard to value. The first-row index starts at 1. For example, the...

Tableau Extension API

Tableau Extensions were introduced in version 2018.2 and has massively opened up Tableau to the world of eager developers; literally speaking, this has the potential to be the biggest...

Dot Matrix Tutorial

A friend messaged me to ask he could create a grid layout for different visualisations, for example, a 3×3 grid. I immediately thought about a Dot Matrix visualization and how I...

Rounded Progress Bar Tutorial

In my free time I try to build a few web applications, this is an essential part of my personal learning and attempt to keep relevant. Having an application that delivers great functionality...


Flow Chart Template

As a Tableau Zen Master, I volunteered time to support non-profit organisations. One of the organisations had an interesting requirement, and as...


Designer Workbooks

As a fun little treat, and for supporting me through Patreon, you can find downloadable links to my workbooks below. Note that I will keep this updated when I create something very cool.

E06. Your Environment

Subscribe to our mailing list to keep up to date.