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CBSE Class 11 Informatics Practices Question 56 of 85

Database Concepts — Question 19

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19
Question

Question 16(c)

Differentiate between degree and cardinality of a relation.

Answer
Degree of a relationCardinality of a relation
The number of attributes in a relation is called the Degree of the relation.The number of tuples in a relation is called the Cardinality of the relation.
For example, if a relation has attributes like Name, Age, and Address, then its degree is 3.For example, if a relation contains 10 records or tuples, then its cardinality is 10.