Degree of relationship set

Degree of relationship set

1. DEGREE OF A RELATIONSHIP SET DBMS In Hindi

2. Relationship Set Relationship is an association between two or more entities of same or different entity set. A set of relationships of same type is known as relationship set. S tudent C ourse E nrolled in S1 S2 S3 E1 E2 E3 C1 C2 C3

3. Degree Of A Relationship Set The number of different entity sets  participating in a relationship  set is called as degree of a relationship set. 1.Unary Relationship When there is  only ONE entity set participating in a relation , the relationship is called as unary relationship. Employees Manage

4. 2.Binary Relationship When there are  TWO entities set participating in a relation , the relationship is called as binary relationship. For example, Student is enrolled in Course. S tudent C ourse E nrolled in

5. 3 .Ternary Relationship When there are  Three entities set participating in a relation , the relationship is called as Ter nary relationship. Employees Departments Works In Location

6. 4.N-ary Relationship N - ary Relationship When there are n entities set participating in a relation, the relationship is called as n- ary relationship.

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