data mart
nounEtymology Following the metaphor of a data warehouse.
1
The access layer of a data warehouse environment, used to distribute a subset of the data to users.
- One of the issues of data warehouses and data marts is how data gets from the data warehouse to the data mart. Data in the data warehouse is very granular. Data in the data mart is very compact and summarized.2002 [1991], W. H. Inmon, Building the Data Warehouse, 3rd edition, John Wiley & Sons, →ISBN, page 142:
- Related terms
- spreadmart