Data mart

Definition

A data mart is a subset of data from a data lake or 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 lake or data warehouse.

Relation

Data martis subset ofdata lake
Data martis subset ofdata warehouse

Reference

Rani, Isha (2023). Key data terms explained. LinkedIn Post.