analytics-dictionary / term / transformation & metrics
Data mart
A data mart is a focused subset of a warehouse built for one team or subject, like marketing or finance.
Written by Reflective Data experts · updated Oct 5, 2026
Marts present only the tables a team needs, in terms they understand. They reduce confusion and make dashboards faster and easier to build.
In dbt projects, the final layer of models is usually called the marts layer.
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