What is the main purpose of a data mart?

The main purpose of a data mart is to provide a subject-oriented data repository. Data marts are specialized subsets of data warehouses that focus on a specific business line or team within an organization, allowing users to access and analyze data relevant to their needs. This targeted approach enables better performance and response times for queries, as the data is organized around specific domains, such as sales, marketing, finance, or human resources.

By serving a specific group or subject area, data marts facilitate the analysis of data with less complexity compared to broader data warehouses. This allows users to quickly obtain the insights they require to make informed decisions without needing to sift through irrelevant data. The specialization inherent in data marts creates a more efficient analytical environment tailored to the distinct interests and requirements of particular departments or business functions.