General Datawarehousing Interview Question:

Explain me What are Data Marts?

Submitted by: Administrator

Data Marts are designed to help manager make strategic decisions about their business.

Data Marts are subset of the corporate-wide data that is of value to a specific group of users.

There are two types of Data Marts:

1.Independent data marts ? sources from data captured form OLTP system, external providers or from data generated locally within a particular department or geographic area.

2.Dependent data mart ? sources directly form enterprise data warehouses.
Submitted by: Administrator