//Blog
Notes de pipeline
Des articles concrets sur le data engineering : pipelines, qualité des données, modélisation, et les leçons tirées de leur mise en production.
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3 min de lectureEN
SCD Type 2 with dbt snapshots, explained with Airbnb data
How dbt snapshots keep the full history of changing records — timestamp vs check strategies, the columns dbt adds, and how to query a table as it was on any date.
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Rules aren’t enough: adding ML to data quality checks
Hard-coded quality rules catch the problems you anticipated. Here is how I layer ML anomaly classification on top — without drowning people in alerts.
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