Tableau – Understanding Relationships in the New Data Model – Part 1

Tableau 2020.2 has recently been released, and the feature I’m most excited about is Relationships. If you’ve ever have to work with a data source that contains a many-to-many relationship, or multiple one-to-many relationships, you would have encountered the problem of data duplication, and having to resort to LOD or COUNTD calculations to report measures … Continue reading Tableau – Understanding Relationships in the New Data Model – Part 1

An Use Case in Data Validation – COVID-19 Belgium

Download Tableau Workbook (2019.4) In the wake of the COVID-19 outbreak, many organizations, and the data community in general have spent a lot of effort to make relevant data available to a wider audience. From the beginning, I have mainly relied on the John Hopkins dashboard and the Worldometer website to stay up-to-date with the … Continue reading An Use Case in Data Validation – COVID-19 Belgium

Snowflake: Querying JSON

There’s a lot of things to like about Snowflake, such as its ease of use, scalability and performance. What I also like are the many functionalities packed into its SQL dialect. One of my favourites I’ve encountered so far is the ability to easily query semi-structured data (e.g. JSON, XML). For this tutorial, we will … Continue reading Snowflake: Querying JSON


Follow My Blog

Get new content delivered directly to your inbox.