Data Warehouse Delivery Process Now we discuss the delivery process of the data warehouse. Main steps used in data warehouse delivery process…
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history of data warehouse
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What is Star Schema? A star schema is the elementary form of a dimensional model, in which data are organized into facts…
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Data Warehouse Design A data warehouse is a single data repository where a record from multiple data sources is integrated for online…
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Data Warehouse Tutorial Data Warehouse is a relational database management system (RDBMS) construct to meet the requirement of transaction processing systems. It…
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Difference between ETL and ELT ETL (Extract, Transform, and Load) Extract, Transform and Load is the technique of extracting the record from…
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ETL (Extract, Transform, and Load) Process What is ETL? The mechanism of extracting information from source systems and bringing it into the…
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Data Warehouse Modeling Data warehouse modeling is the process of designing the schemas of the detailed and summarized information of the data…
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OLAP Operations in the Multidimensional Data Model In the multidimensional model, the records are organized into various dimensions, and each dimension includes…
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What is Operational Data Stores? An ODS has been described by Inmon and Imhoff (1996) as a subject-oriented, integrated, volatile, current valued…
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Data Warehouse Process Architecture The process architecture defines an architecture in which the data from the data warehouse is processed for a…