What does a primary key do?

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Tags

  1. #features
  2. #database
  3. #columns
  4. #uniquely
  5. #column
  6. #relational
  7. #unique
  8. #identify
  9. #contain
  10. #special
  11. #value
  12. #cannot
  13. #designated
  14. #primary
  15. #table
  16. #records
  17. #values
  18. #combination