Define Data marting and its features.

A pattern used in a data warehouse environment to retrieve client data is called a data mart. It is a structure specific to the data warehouse and used by the business domain in the team. Every organization has a single data mart which is located in the data warehouse repository. Different types of data marts are dependent, independent, and hybrid data marts. Dependent data marts take data that is already created whereas independent data marts take data from external sources and from a data warehouse. We can call data marts logical subsets of the data warehouse.