Relational Model Basics Quiz

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Questions and Answers

Which term is used to describe a row in a relation?

  • Column header
  • Tuple (correct)
  • Schema
  • Domain

What does the degree of a relation refer to?

  • The number of attributes in the relation (correct)
  • The set of all possible values for an attribute
  • The number of tuples in the relation
  • The constant schema of the relation

What is the state of a relation in the relational model?

  • The tuples in the relation (correct)
  • The set of all possible values for an attribute
  • The number of tuples in the relation
  • The column headers of the relation

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Study Notes

Relations in Database Management

  • A tuple is a term used to describe a row in a relation.
  • The degree of a relation refers to the number of attributes or columns in the relation.
  • The state of a relation in the relational model is a snapshot of the relation at a particular moment in time, characterized by the specific tuples that are present in the relation at that time.

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