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Learn ETL Testing
ETL Testing Tutorial
An ETL tool extracts the data from all these heterogeneous data sources, transforms the data (like applying calculations, joining fields, keys, removing incorrect data fields, etc.), and loads it into a Data Warehouse. This is an introductory tutorial that explains all the fundamentals of ETL testing.
This tutorial has been designed for all those readers who want to learn the basics of ETL testing. It is especially going to be useful for all those software testing professionals who are required to perform data analysis to extract relevant information from a database.
We assume the readers of this tutorial have hands-on experience of handling a database using SQL queries. In addition, it is going to help if the readers have an elementary knowledge of data warehousing concepts.
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