What is the most useful Oracle item covered in this chapter (200 word minimum)?

1. Explain what a Data Pump does. (200 word minimum).
2Explain what SQL Loader does. (200 word minimum)?
.4 What is an Import Transformation and why is it important (200 word minimum)?
6. What is a Grid Infrastructure and how is it used? (200 word minimum)?
7. What is a Disk Group and how is it used? (200 word minimum)?
8. What is ASM and how is it used (200 word minimum)?
9
9. What post data moving tasks should be completed regardless of how the data
was moved (200 word minimum)?
10.What is the most useful Oracle item covered in this chapter (200 word
minimum)?