This repository provides an end-to-end process for building an SQL Azure database, performing data analysis with SQL and Python, and visualizing data with Tableau. Whether you are a data scientist, ...

Null pointer exceptions are no fun. You can avoid them and keep your code clean and maintainable by using these techniques to elegantly handle null values in C#.

When passing multi-value parameters with the quicksight SDK, you can pass explicitly text values, but there is no way to pass null values. I noticed that by passing parameters via the URL, you can add ...

Before, customers had to process geography spatial data stored in SQL Server into Shapefiles before they could access it from Tableau. Now with Tableau 2018.1, customers can connect to and visualize ...

What Is Tableau’s Fundamental Value Based On 2015 Results? The answer should seem all the more important, given the 50% decrease in share price that followed the company’s recent earnings release.

I’m sure many business intelligence developers have experienced a customer asking why there are null values in their report and what they mean. It’s very common to have unknown values in a data ...

On the surface, it may appear that the SQL clauses IN and EXISTS are interchangeable. However, they’re quite different in how they handle NULL values and may give different results. The problem ...