Jasper Alblas
Jasper Alblas
Data Engineering • Analytics • Business Intelligence
How Databases, Files & Schemas Organize Information Welcome Back In the previous articles, we explored: You now understand why companies collect data and who works with it. But before we start writing SQL queries, building Python pipelines, or working with…

Data Engineering for Beginners Learning Path Welcome to the Series If you’re new to data engineering, it’s tempting to jump straight into learning Python or SQL. In fact, that’s exactly what most beginners do. The problem is that without understanding…

If you’ve ever opened Power BI or worked with an SSAS Tabular model and wondered what those formulas in the Measures pane actually do, this article is for you. DAX (Data Analysis Expressions) is the formula language that powers calculations…
Welcome back to part 2 of this data fundamentals series. You can find part 1 here. When I first started working with data, I remember being surprised at how dirty most data was. You might have learned about how organized…
When I first got into data, I was overwhelmed by all the terms, definition and tasks: data engineering, analytics, BI, data science, modeling, OLTP, OLAP… It felt like everyone else already knew what it all meant, and I was just…