ETL and ELT are two of those terms that get used interchangeably in job descriptions and architecture documents, as if the letter order doesn't matter. It does. They represent genuinely different approaches to moving and transforming data, and picking the wrong one for your situation creates problems that compound over time.
If you're building a data warehouse, dimensional modeling is your best friend. It makes data easier to query, understand, and analyze. Let's break down this powerful technique!