Build a Star Schema + Medallion Architecture 1
Автор: Hamdi Eltaheir
Загружено: 2026-02-12
Просмотров: 13
Описание:
In this hands-on tutorial, you'll learn how to:
✅ Create a database schema using PySpark in a Databricks notebook
✅ Build a *star schema* with fact & dimension tables (healthcare example)
✅ Implement **Medallion Architecture**: Bronze → Silver → Gold layers
✅ Use Unity Catalog to organize data across catalogs and schemas
📌 Real-World Use Case:
A hospital system tracking patient visits, doctors, departments, and treatments.
📁 What You’ll Learn:
• How to use `CREATE SCHEMA` and `CREATE TABLE` in Spark SQL
• Best practices for star schema design
• Why Medallion Architecture improves data quality
• How to manage data lifecycle from raw to trusted
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