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In a relational schema, each tuple is divided into fields called

  • A.Relations
  • B.Queries
  • C.Domains
  • D.All of the above

Answer: A

Correct answer: Domains

A relation is defined over a set of attributes, each drawn from a domain - the set of permitted values for that field. So the fields into which a tuple divides correspond to the domains of the relation. Relations are the tables themselves, one level up.

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