Examples and Use Cases
Discover how ETL pipelines operate through real-world examples like feeding analytical dashboards, supporting departmental data marts, streaming real-time data for fraud detection, migrating legacy systems, and extracting data from external sources. Understand how to customize ETL pipelines to meet specific business needs.
To make this more approachable, all of the examples revolve around ETL pipelines that a food ordering company might build.
Moving data to an analytical dashboard
Modern companies today have multiple independent systems and databases under their command. An ETL pipeline can transfer data between these systems within the company.
For example, a food ordering company might store all its transactions and orders in the main production database. It will trigger an ETL process every four hours to pull the latest batch of order data into the data warehouse and feed a Tableau or a Power BI dashboard.
Moving data to data marts
Using ETL, we can transfer data from the data warehouse into smaller repositories called data marts. ...