Podcast
Play an AI-generated podcast conversation about this lesson
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
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.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Test your knowledge of the basics of the relational model with our quiz! Learn about tuples, attributes, domains, degree, cardinality, and more. This quiz will challenge your understanding of the terminology and concepts used in the relational model, and help you solidify your understanding of this important database model. Perfect for beginners or those looking to refresh their knowledge.
