DATA WAREHOUSING

-Data warehouse

A logical collection of information gathered from many different operational databases that support business analysis activities and decision making tasks

the primary purpose of a data warehouse is to aggeregate information throughout an organizational into a single repository for decision making purposes

- ETL (extraction, transformation, loading)

Process that extracts information from internal and external database, transform the information using a common set of entreprise definitions, and loads the information into a data warehouse

-Data mart

contains a subset of data warehouse information

-Multidimensional analysis 

cube - common term for the representation of multidimensional information

-Data mining

data mining - the process af analyzing data ti extract information not offered by the raw data alone 

-Business intelligence (BI)

informatiom that people use to support their decision making efforts

-Principle BI

Technology

people

culture