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AWS Certified Data Engineer - Associate · AWS
Select one answer.
Written by other learners. Comments can disagree with the marked answer — check the official documentation when in doubt.
According to the official DataBrew documentation, it does not natively support files in .xls format (it does support .xlsx). The correct option is A.
DataBrew supports various transformations, including the COUNT_DISTINCT function, which is ideal for calculating the number of unique values in a column (combined first and last names in this case).
go in D