We've all seen situations where, for whatever reason, we have more data than we need in a table and we want to deduplicate. There are plenty of reasons for this, from dodgy ingestion processes to deliberate intent. Without diving into the "why" of it all,...
When talking about the “doing” part of data engineering, folks usually want to say something about ETL like, “How are your ETLs running today?” This is a horrible term and even worse in plural form. The new hotness is to flip the “T” and the...
Have you ever noticed that when you complete a trip with Uber, your account is updated immediately? I often interact with apps on my phone only to be left confused by how they can stream my data between their source systems and my phone so...
As you may recall from my previous post, the year is 3015. As the spaceship sales manager for Toyota, I’m gathering data from the marketplace to analyze it, identify trends and eventually make pricing decisions based on my findings. We’ve been struggling to keep up...
Hello again, data friends. My focus for this blog post will be the variety of formidable data cleansing options available in Tableau Prep (TP for short). I long for the day when data arrives clean – no bogus characters, mismatched naming conventions and or even...
Guys and gals, I’m excited – my favorite data visualization tool, Tableau, now has a data preparation and transformation tool. It’s called Tableau Prep (Project Maestro when in beta) and yes, it is awesome. Tableau Prep is a personal data preparation tool that empowers the...
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