CBSE Class 11 Informatics Practices Question 67 of 87

Structured Query Language (SQL) — Question 28

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Question 22

What do you understand by the terms Cardinality and Degree of a relation in relational database?

Answer

The number of tuples/rows in a relation is called the Cardinality of the relation.

The number of attributes/columns in a relation is called the Degree of the relation.