Building A Data Warehouse With Examples In Sql ... -
: dim_product , dim_customer , and dim_date provide context. 2. Laying the Foundation (SQL Table Creation) You start by defining these structures in your database.
: Stores metrics like price, quantity, and foreign keys. Building a Data Warehouse with Examples in SQL ...
-- Finding total sales by product category SELECT p.category, SUM(s.sale_amount) AS total_revenue FROM fact_sales s JOIN dim_product p ON s.product_key = p.product_key GROUP BY p.category; Use code with caution. Copied to clipboard : dim_product , dim_customer , and dim_date provide context