ETL Testing – Part 1

ETL Testing: Testing is an important phase in the project life-cycle. A structured well defined testing methodology involving comprehensive unit testing and system testing not only ensures smooth transition to the production environment but also a system without defects. The testing phase can be broadly classified into the following categories: Integration Testing System Testing Regression…

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Data Warehouse & ETL Tutorial

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…

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