Roger Bosch
•May 18, 2026
Simple validations to prevent garbage data in real pipelines: nulls, duplicates, types, and alerts with Python.
Posts tagged with #etl
A collection of blog posts about etl
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Roger Bosch
•May 18, 2026
How to organize raw, staging, and marts layers in a real data pipeline. A practical follow-up to the ETL vs ELT article.
Roger Bosch
•May 10, 2026
ETL and ELT are two ways to design a data pipeline. Learn their differences, when to use each one, and how they fit into modern architectures.
Roger Bosch
•Mar 6, 2026
Practical comparison of Go and Python in heavy scripts, concurrency, scraping, ETL and batch processes. When the switch is worth it.