What is the use of cursor in Oracle?

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Tags

1. #needs
2. #stored
3. #which
4. #table
5. #predefined
6. #cursor
7. #manner
8. #called
9. #opened
10. #database
11. #singleton
12. #memory
13. #active
14. #update
15. #oracle
16. #records
17. #fashion
18. #within
19. #another
20. #cursors