In today's highly competitive business climate, the quality and timeliness of business information for an organization is not only a choice between profit and loss, it is a question of survival or bankruptcy. No business organization can deny the inevitable benefits of business intelligence.
olap and oltp
dashboards , OLTP , OLAP , data mining , alerting and notification systems , and analytics . Under the BI umbrella all these tools are combined within a special architecture. Data Warehouses and Data Mart Because data can come from various sources, like OLTP, ERP, CRM, legacy applications, and external data sources, data can be stored in a diversified database, in different formats and structures. As a result, a data warehouse (DW), is the most important and expensive player in the whole BI system