Data mart

Data mart is also known as DM. Data mart is a specialized version of data warehouse. It is also used for business intelligence solutions and business analysis. Data mart is the subset of the corporate information valued for any department, function or any other need.

Business intelligence solutions can be focused on some specific business processes and business operations at any point of time. Data mart plays an important role in business analysis by providing data which is needed instead of whole data warehouse. This approach minimize response time and provide better results.

Data mart has the information of some focused business processes and used for business analysis purpose. Data warehouse can have many data mart and sometimes different data mart can have some information in common. Main reasons to have data marts are as follows.

• Improves user's response time
• Lower cost than data warehouse implementation
• Ease of creation