What does exists do in SQL?

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Tags

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