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What is/are the advantage(s) of ETL Testing?

90. What is/are the advantage(s) of ETL Testing?

1. During ETL testing, data can be extracted from or received from any data source simultaneously.
2. In ETL, heterogeneous data sources can be loaded into a single generalized (frequent)/different target simultaneously.
3. It is possible to load different types of goals simultaneously using ETL.
4. All of the above

Answer: D) All of the above

Explanation:

The advantages of ETL Testing are -

1. During ETL testing, data can be extracted from or received from any data source simultaneously.
2. In ETL, heterogeneous data sources can be loaded into a single generalized (frequent)/different target simultaneously.
3. It is possible to load different types of goals simultaneously using ETL.