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Questions and Answers
Which term is used to describe a row in a relation?
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?
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?
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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