Slowly Changing Dimensions: Types 1-3 with Examples
February 19, 2026Dimensions change. A customer moves cities. A product gets reclassified. An employee changes departments. How your data model handles these changes determine...
Written by Alex Merced Developer from devNursery.com and alexmercedcoder.dev You should follow him on Twitter and checkout his articles on LogRocket.
Data Modeling for Analytics: Optimize for Queries, Not Transactions
February 19, 2026The data model that runs your production application is almost never the right model for analytics. Transactional systems are designed for fast writes — in...
Denormalization: When and Why to Flatten Your Data
February 19, 2026Normalization is the first rule taught in database design. Eliminate redundancy. Store each fact once. Use foreign keys. It's the right rule for transactiona...
Data Vault Modeling: Hubs, Links, and Satellites
February 19, 2026Dimensional modeling works well when your source systems are stable and your business questions are predictable. But what happens when sources change constan...
Data Modeling Best Practices: 7 Mistakes to Avoid
February 19, 2026A bad data model doesn't announce itself. It hides behind slow dashboards, conflicting numbers, confused analysts, and AI agents that generate wrong SQL. By ...
What Is a Semantic Layer? A Complete Guide
February 19, 2026Ask three teams in your company how they calculate revenue and you'll get three answers. Sales counts bookings. Finance counts recognized revenue. Marketing...