For this chapter,the learning outcomes that we can get is, we can describes the roles purposes of data warehouse and data marts in an organization, compare the multidimensional nature of data warehouse with two dimensional nature of databases, identify the importance of ensuring the cleanliness of information throughout an organization and we can also explain the relationship between business inteligence and a data warehouse.
A data warehouse is logical collection of information-gathered from many different operational database-supports business analysis activities and decision making task.
Multidimensional analysis and data mining
-meaning that it contains row and layer of columns. For this reason, most data warehaouse and data marts are multidimensional datrabase.
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