In relational database, the number of attributes of a relation is called the…
2023
In relational database, the number of attributes of a relation is called the ____ of relation.
Answer: B. degree — In a relational database, a relation is a table. The number of attributes (columns) in a relation is called its degree. For example, if a table has 5 columns,…
- A.
domain
- B.
degree
- C.
cardinality
- D.
More than one of the above
- E.
None of the above
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Correct answer: B
In a relational database, a relation is a table. The number of attributes (columns) in a relation is called its degree. For example, if a table has 5 columns, its degree is 5. This is a standard definition in database theory.
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