What does Upsert mean?

Related questions

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Tags

1. #existing
2. #author
3. #giving
4. #insert
5. #instead
6. #while
7. #basis
8. #upsert
9. #further
10. #feature
11. #thought
12. #concurrency
13. #atomically
14. #statement
15. #either
16. #definition
17. #little
18. #safely
19. #update
20. #allows
21. #already