olemus
valdkonna- või üksusespetsiifiline
andmeait või andmeaida osa
= a subset of the data warehouse, usually oriented to a specific business line or team

ISO/TR 22221, ISO/TS 29585:
huvialune ainevaldkond andmeaidas
= subject area of interest within the data warehouse

ülevaateid
https://www.snowflake.com/guides/difference-between-data-warehouse-and-data-mart

https://en.wikipedia.org/wiki/Data_mart

https://www.tutorialkart.com/pdf/data-warehouse-tutorial/what-is-data-mart.pdf

https://www.cms.gov/Research-Statistics-Data-and-Systems/CMS-Information-Technology/DataAdmin/downloads/DimensionalDataDesign.pdf