✕ Clear all filters
3 articles
▶ Videos →

📰 Dev.to · Marcus

3 articles · Updated every 3 hours · View all reads

All Articles 179,133Blog Posts 165,049Tech Tutorials 47,825Research Papers 35,403News 22,434 ⚡ AI Lessons
Three Severity Levels, Not Pass/Fail — and Why Severity Decides Where the Rule Lives
Dev.to · Marcus 📊 Data Analytics & Business Intelligence 3w ago
Three Severity Levels, Not Pass/Fail — and Why Severity Decides Where the Rule Lives
Most data quality systems don't die of bad checks. They die of a missing field in the rule model: the...
Read article → + Playlist
Checking Data Quality with SQL — a Configurable Framework for Spotting Bad Data Generically
Dev.to · Marcus 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2mo ago
Checking Data Quality with SQL — a Configurable Framework for Spotting Bad Data Generically
Bad data gives no warning. An age of 200 years, a duplicate customer number, a country code that...
View lesson → + Playlist
Data Migration: SQL Server to PostgreSQL — the Complete Guide
Dev.to · Marcus 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2mo ago
Data Migration: SQL Server to PostgreSQL — the Complete Guide
A data migration from SQL Server to PostgreSQL rarely fails at actually copying the data. It fails at...
View lesson → + Playlist