What is Data Warehouse?
Data Warehouse is the collection of data from heterogeneous source used for analytical reporting , data analysis. Data Warehouse are central repositories of integrated data from one or more disparate sources.Data Warehouse help client/customer/developer to get good high level understanding to implement a successful data warehouse project.
A data warehouse have following properties
1.Subject-oriented,
2.Integrated,
3.Time-variant and
4.Non-volatile collection of data
A data warehouse is a copy of transaction data specifically structured for query and analysis.
Data Warehouse is the collection of data from heterogeneous source used for analytical reporting , data analysis. Data Warehouse are central repositories of integrated data from one or more disparate sources.Data Warehouse help client/customer/developer to get good high level understanding to implement a successful data warehouse project.
A data warehouse have following properties
1.Subject-oriented,
2.Integrated,
3.Time-variant and
4.Non-volatile collection of data
A data warehouse is a copy of transaction data specifically structured for query and analysis.
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