=====Data mart====

===Definition===
A data mart is a subset of data from a [[data_management/data_lake|data lake]] or [[data_management/data_warehouse|data warehouse]], tailored to the needs of a specific department or team. 

===Note==
A data mart makes it easy to access and analyse the data needed, without having to sift through all of the data in the [[data_management/data_lake|data lake]] or [[data_management/data_warehouse|data warehouse]].

===Relation===
|Data mart|is subset of|[[data_management/data_lake|data lake]]|
|Data mart|is subset of|[[data_management/data_warehouse|data warehouse]]|

===Reference===
Rani, Isha (2023). [[https://www.linkedin.com/posts/isharanimicrosoftleader_%3F%3F%3F%3F%3F%3F%3F%3F-%3F%3F%3F%3F%3F-%3F%3F%3F%3F-%3F%3F%3F%3F%3F%3F%3F-activity-7117115203019812865-Udi5?|Key data terms explained]]. LinkedIn Post. 

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