We provide the Best ETL Testing Training at Porur, Chennai. Our candidates have the highest satisfactory rate. Extract-Transform-Loadtesting is what ETL testing shorts for, and it is a process for how data is loaded from the source system to the data warehouse. Data is extracted from the OLTP database, transformed into a meaningful schema, and later loaded to the data warehouse. In a few cases, data warehouses may incorporate data from non-OLTP systems too like text files, spreadsheets, or legacy systems, etc.It involves data verification at multiple stages that are being used between the source and the destination. ETL uses the de-normalized data with fewer joins, more indexes, and aggregations. We are an organization that is solely concentrated on providing the best education possible for all our candidates.
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