What is the purpose of PostgreSQL?

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Tags

1. #oracle
2. #different
3. #extensible
4. #using
5. #known
6. #snapshot
7. #postgresql
8. #purpose
9. #management
10. #allows
11. #system
12. #languages
13. #custom
14. #functions
15. #general
16. #isolation
17. #database
18. #relational
19. #object
20. #feature
21. #programming
22. #designed
23. #developed