Question

the degree of a relation is the number of it contains?

Answer 1

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━━━━━━━━━━━━━━━━━━━$\mathfrak{\green{Answer.}}$A tuple is a row of a relation. A domain is a set of allowable values for one or more attributes. The degree of a relation is the number of attributes itcontains. The cardinality of a relation is the number of tuples it contains.
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