What is Postgres vacuum?

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Tags

1. #therefore
2. #physically
3. #updated
4. #deleted
5. #normal
6. #reclaims
7. #update
8. #postgresql
9. #removed
10. #until
11. #table
12. #occupied
13. #storage
14. #tuples
15. #necessary
16. #vacuum
17. #especially
18. #operation
19. #periodically
20. #obsoleted
21. #tables
22. #frequently
23. #present
24. #remain
25. #their