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3.1.14. Worked example

  • Compute sets of closures
    • AB -> C, C -> D, D -> A
  • 1.Singletons
    • A+ -> A
    • B+ -> B
    • C+ -> CDA
    • D+ -> AD
  • Question: are any singletons superkeys?
‹ 3.1.13. Worked exampleup3.1.15. F.d. closure example ›
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