Tag: Data Engineering
All the articles with the tag "Data Engineering".
Data Quality Is a Pipeline Problem, Not a Dashboard Problem
Published: at 11:00 AMWhen an analyst finds null values in a revenue column, the typical response is to add a calculated field in the BI tool: `IF revenue IS NULL THEN 0`. That "f...
Star Schema vs. Snowflake Schema: When to Use Each
Published: at 11:00 AMBoth star schemas and snowflake schemas are dimensional models. They both organize data into fact tables (measurable events) and dimension tables (context ab...
Semantic Layer vs. Metrics Layer: What's the Difference?
Published: at 11:00 AMBoth terms appear in every modern data architecture diagram. They're used interchangeably in conference talks, Slack threads, and vendor marketing. And almos...