Data Warehouse Tutorial – LearnDataModeling.com

DW & ETL

Data Warehouse & ETL Tutorial

learndmdwbi9 years ago6 years ago12 mins

Data Warehouse & ETL Tutorial: Data Warehouse is where data from different source systems are integrated, processed and stored. Data Warehouse data is a non-production data which is mainly used for analyzing and reporting purposes. Business users and higher management authorities use the data warehouse data to analyze, and to make important business decisions. Data…

DW & ETL

Data Warehouse Concepts

learndmdwbi9 years ago1 year ago13 mins

What is a Data Warehouse? According to Inmon, famous author for several data warehouse books, “A data warehouse is a subject oriented, integrated, time variant, non volatile collection of data in support of management’s decision making process”. In order to store data, over the years, many application designers in each branch have made their individual decisions…