Building A Data Warehouse With Examples In Sql ... File

moves data from raw sources (like CSVs or ERP systems) into your warehouse. Extract : Pulling raw data into the Bronze Layer .

: Stores metrics like price, quantity, and foreign keys. Building a Data Warehouse with Examples in SQL ...

-- Transforming and Loading: Standardizing product names to uppercase INSERT INTO dim_product (product_key, product_name, category) SELECT product_id, UPPER(p_name), category FROM raw_staging_products; Use code with caution. Copied to clipboard 4. The Final View (Analytical Querying) moves data from raw sources (like CSVs or

A data warehouse typically uses a , consisting of a central Fact Table (quantitative data like sales) surrounded by Dimension Tables (descriptive data like products or dates). category) SELECT product_id