What is the use of not exists in SQL?

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Tags

  1. #empty
  2. #boolean
  3. #whether
  4. #statement
  5. #value
  6. #result
  7. #insert
  8. #nested
  9. #query
  10. #update
  11. #contains
  12. #tuples
  13. #exists
  14. #select
  15. #correlated
  16. #false
  17. #check
  18. #delete
  19. #condition