M4 • Dimensional Performance Models
Level 7 - Architect - Dimensional Performance Models
Tune dimensional models for analytics speed: star vs snowflake trade-offs, fact grain, SCD impact, and semantic-layer query efficiency.
Module Coverage
14 questions focused on interview-style decision making, trade-offs, and scalable SQL design.
star vs snowflakefact table grainscd performance impactlate-arriving factsbi query optimization