Enterprise Data Warehouse Operational Data Store Data Mart
It gives the controlled database for decision support throughout the enterprise. Under its scope, it has a broad enterprise which is unlikely a real enterprise Data warehouse. In this, data gets refreshed in rare real-time and it is being used for daily business activity. It is a sub-part of the data warehouse. It is designed for particular lines of business, hence support for a particular reason.
BY Best Interview Question ON 07 Nov 2021