What is merge in SQL Oracle?

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Tags

1. #parallel
2. #reduces
3. #required
4. #depending
5. #operation
6. #introduced
7. #update
8. #statement
9. #syntax
10. #oracle
11. #insert
12. #table
13. #presence
14. #upsert
15. #process
16. #scans
17. #known
18. #merge
19. #perform
20. #conditionally