'Historical data testing' diaporamas de présentation

Etl testing training from INDIA|USA|UK.

ETL systems are used by businesses to integrate data from multiple sources. ETL stands for Extract Transformation and Load, It collect the data from various sources such as data from Heterogeneous System (DB), Transform the data into Data warehouse (Target). ETL testing is quite different from conventional testing. There are many challenges we faced while performing data warehouse testing.

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