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Data Objects

  • Data sets are made up of data objects.
  • A data object represents an entity.
  • Examples:
    • sales database: customers, store items, sales
    • medical database: patients, treatments
    • university database: students, professors, courses
  • Also called samples , examples, instances, data points, objects, tuples.
  • Data objects are described by attributes.
  • Database rows -> data objects; columns ->attributes.

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