Question: We are planning to build a new warehouse for our reporting purposes. We have two options to load the data into the warehouse: using traditional mainframe COBOL or SQL programs for ETL or using ETL tools to do the ETL job. Even though we believe that going through ETL tools is the right approach, we are hard pressed by some technology groups asking us for the advantages using ETL tools as they are quite costly. Could you please let me know the advantages of ETL tools versus traditional programming?


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