What are an ETL tester's roles and responsibilities? Hide Answer You will often come across this ETL testing interview question. ETL testers are in high demand because ETL testing is so crucial. Data sources are validated, data is extracted, transformation logic is applied, and data is loaded ...
While performing ETL testing, two documents that will always be used by an ETL tester are ETL mapping sheets :An ETL mapping sheets contain all the information of source and destination tables including each and every column and their look-up in reference tables. An ETL testers need to be co...