What is ETL process in data warehousing?

Related questions

1. What are the four data mining techniques?
2. Is datawarehouse dead?
3. Is Tableau an ETL tool?
4. How does data mining differ from OLAP?
5. Is SQL an ETL tool?
6. What is the difference between big data and data warehouse?
7. What are cubes in a data warehouse?
8. What is the main difference between a data warehouse and OLTP?
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Tags

1. #called
2. #source
3. #broad
4. #which
5. #three
6. #transformation
7. #extraction
8. #loading
9. #warehouse
10. #commonly
11. #extracting
12. #process
13. #bringing
14. #refers
15. #steps
16. #stands
17. #systems
18. #defined