Tableau
2024
- Five EightsMay 14
With the recent news that Adam Selipsky is stepping down from AWS, I thought I’d share my funny Adam story.
2018
- When Live Beats an ExtractMar 14
When using Tableau, taking an extract is always better than using a live query, right? Well, no. Let’s take a look at a few cases.
- A Visual Guide to Telescope EyepiecesMar 5
I needed some help when choosing telescope eyepieces, and was thrilled to come upon a very thorough list over at Cloudy Nights. But a spreadsheet is one thing—a viz is better.
- The Query Behind the VizFeb 13
How do I get at the queries that Tableau generates? Let me show you three ways.
- Custom SQL in Tableau: Subqueries and SQL InjectionFeb 5
I recently answered a question about why some (perfectly correct) SQL wasn’t working in Tableau. So why would a perfectly reasonable custom query fail? And what’s the link to SQL injection? Read on!
- Tableau Data Sources: Live vs ExtractJan 12
A look at another aspect of Tableau that people often find confusing: the difference between live and extracted data sources. And again, we’re going to take a bit of a database perspective to clarify the situation.
- Dimensions and Measures: A SQL PerspecitiveJan 7
Going through Boot Camp after joining Tableau and learning about dimensions and measures, I remember finding the descriptions rather confusing. Let’s clear this up.