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3.4.17. Stage 8

  • Create a single relation including all attributes of C ∪ S1..m and a type/discriminating attribute
    • only for disjoint subclasses
  • Create a single relation as above, but include a boolean type flag for each subclass
    • works for overlapping, and also disjoint
‹ 3.4.16. Stage 8up3.5. System Design ›
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