An analyst is asked to review gathered data and modify any incompatible metric used by various sources of data. Which step in ETL does this represent?
- action
- extract
- load
- transform
Explanation: There are three processes in data preparation:
- Extract - the process of gathering the data to be analyzed
- Transform - the process of aggregating data and modifying it into a usable form
- Load - the process of transferring data to a database
Exam with this question: Big data & Analytics Chapter 2 Quiz Answers – Fundamentals of Data Analysis
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