A question that might often arise while studying modern-day data platforms is what is medallion architecture?When studying modern-day data platforms, one of the common questions may be, what is medallion architecture? It's a three-part process in simple terms that takes data, cleans it up and improves it until it's suitable for business purposes. Can be beneficial if there are multiple data sources in an organization and there is a requirement for improved control of transformations and data quality. For analytics environments where raw data must be retained for auditing, reprocessing or other purposes while users are using pre-processed, ‘cleaner' data, this is particularly useful.