Data Warehousing Course
This course equips you with core data warehousing expertise for retail analytics. Learn to design efficient star schemas, develop robust ETL processes handling CDC and SCD, implement data quality measures, and optimise SQL queries to deliver fast, precise insights on sales trends, product performance, and channel effectiveness that inform better business choices.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
Gain essential skills in data warehousing by transforming raw retail data into reliable analytics structures. Master requirement gathering, star schema design, fact and dimension definition, key selection, ETL pipeline building with validation, quality checks, SCD management, query optimisation, metadata documentation, and high-performance BI delivery for sales and product analysis.
Elevify advantages
Develop skills
- Design efficient star schemas with proper keys and fact grains for BI.
- Build reliable ETL pipelines using CDC, SCD, and incremental loads.
- Integrate POS and e-commerce data into a unified sales analytics model.
- Apply data quality checks, alerts, and reconciliation for accuracy.
- Optimise SQL queries for sales trends, product metrics, and channel insights.
Suggested summary
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