Building Your First Data Warehouse in Databricks — End to End 🎉

This is it. The article the entire series has been building toward.

We've covered Databricks fundamentals, Apache Spark, Delta Lake, DBFS, DataFrames, SQL, and the Medallion Architecture. Now we wire everything together into a real, working data warehouse — from raw data ingestion all the way to queryable Gold tables.

By the end of this article you'll have a functioning Lakehouse with Bronze, Silver, and Gold layers, a database registered in the Databricks catalog, and the ability to query your warehouse like a real data engineer.

Let's build it.

What We're Building

We'll build a Sales Data Warehouse using a publicly available dataset.…