Data Warehouse & Mining
Data ware house was first coined by bill inmon in 1990
According to him data warehouse is subject oriented, integrated , time variant and non volatile collection of data.
data ware house data helps analysts to take informed decisions in an organization.
data warehouse provides generalized and combined data in multidimensional view.
data warehouse also provides us online analytical processing (olap) , helps in interactive and effective analysis.
A data warehouse is kept seprate from organization operational database.
in data warehouse there is no frequent updating of data in warehouse.
data warehouse helps executives to use data to take strategic decisions
Level : Intermediate
Number of Videos: 17
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