az.puml 542 B

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  1. @startuml
  2. title AZ Ratings
  3. skinparam linetype ortho
  4. !include theme.iuml
  5. entity isbn_id {
  6. isbn_id
  7. --
  8. isbn
  9. }
  10. entity isbn_cluster {
  11. cluster
  12. --
  13. isbn_id
  14. }
  15. isbn_cluster }|- isbn_id
  16. entity raw_ratings {
  17. --
  18. user_key
  19. asin
  20. rating
  21. rating_time
  22. }
  23. entity user_ids <<derived>> {
  24. user_id
  25. --
  26. user_key
  27. }
  28. entity rating <<derived>> {
  29. user_id
  30. book_id
  31. --
  32. rating
  33. nactions
  34. }
  35. raw_ratings <. rating
  36. raw_ratings <. user_ids
  37. rating }|-- user_ids
  38. rating }|- isbn_cluster : book_id:cluster
  39. @enduml
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