Posts
All the articles I've posted.
Slowly Changing Dimensions: Types 1-3 with Examples
Published: at 02:00 PMDimensions change. A customer moves cities. A product gets reclassified. An employee changes departments. How your data model handles these changes determine...
The Role of the Semantic Layer in Data Governance
Published: at 02:00 PMMost organizations have a data governance policy. It lives in a Confluence page. It defines who owns what data, what terms mean, and who should have access. ...
Schema Evolution Without Breaking Consumers
Published: at 01:00 PMA source team renames a column from `user_id` to `customer_id`. Twelve hours later, five dashboards show blank values, two ML pipelines fail, and the data en...