A data warehouse stores all data in a relational database. This is expensive, especially for large volumes, and therefore companies promote products using big data technologies as an alternative.
Tag - Exasol
![SAP big data lake analytics [shutterstock: 606840716, whiteMocca]](https://e3zine.com/wp-content/uploads/2020/02/SAP-big-data-lake-analytics-shutterstock_606840716.jpg)
A data warehouse stores all data in a relational database. This is expensive, especially for large volumes, and therefore companies promote products using big data technologies as an alternative.