What are ETL tools used for?

Related questions

1. What is ETL example?
2. Is a data warehouse necessary?
3. Is Hadoop a database?
4. Is fact table normalized or denormalized?
5. Can Hadoop replace Teradata?
6. What are the benefits of data warehousing?
7. What is SQL DW?
8. What is the purpose of a data warehouse?
9. What is the difference between data warehouse and OLTP?
10. What are the three major types of metadata in a data warehouse?

Tags

1. #source
2. #combined
3. #transform
4. #single
5. #system
6. #often
7. #helps
8. #storage
9. #process
10. #warehouse
11. #databases
12. #extract
13. #referred
14. #movement
15. #programming
16. #functions
17. #separate
18. #preparing
19. #denotes
20. #crucial
21. #three
22. #management