Data Warehousing & Modeling

Star and snowflake schemas, and the fact/dimension split that makes analytical queries fast.

Read

29 min

Practice MCQs

25

Interview QA

25

Edition

v4

Editorial status

Reviewed

Relevant for

Data Architect,Data Engineer,Forward Deployed Engineer (FDE)

Scope: BigQuery, Amazon Redshift, Snowflake, Apache Iceberg 1.11, PostgreSQL 18, dbt MetricFlow, and OpenLineage documentation current 2026-08-31.