As you might be aware, one of the challenges of big international companies with geographically distributed offices is the reliability of the reporting. Top management relies on the reporting and the related analysis while preparing and implementing serious decisions affecting the company's future.
However, the reporting is not always reliable and might contain inconsistencies and even gross errors. The reason is that data comes from numerous disconnected sources, and discrepancies happen all the time.
Here comes the ETL process to help and improve the quality of the reporting. ETL is an automated process that optimizes the data. Simply speaking, it converts it into an optimal format, effective for high-quality analysis.
If you are interested and looking for a substantial article about ETL process development, I am happy to recommend the one you see under the link. Please, check it out!