Data mart is a subset of a data warehouse focused on a specific business line or department, like a mini-mart for data. It's a convenient way for marketing, finance, or sales teams to quickly access the data relevant to them without having to sift through the entire Walmart Supercenter of data in the warehouse.

How to use it in a sentence

• In the standup meeting, the engineering manager said, "We need to create a data mart for the marketing team so they'll stop bugging us for ad-hoc queries every day."

• The startup's data scientist was excited to build their first data mart, saying "It'll be like having our own little 7-Eleven of data, without all the Slurpee brain freezes!"

If you actually want to learn more...

• Data Mart vs Data Warehouse: What's the Difference? - A quick overview comparing data marts and data warehouses, for those who care.

• The Difference Between Data Lakes, Data Warehouses, and Data Marts - Deep dive into the differences between these data storage approaches, if you really want to geek out.

• Why You Need Both a Data Warehouse and Data Marts - Makes the case for using both in your data architecture, for the overachievers out there.

Note: the Developer Dictionary is in Beta. Please direct feedback to skye@statsig.com.