Question

What is cardinalities in entities..?​

Answer 1

Cardinality defines the possible number of occurrences in one entities which is associated with the number of occurrences in another.

For example:

ONE team has MANY players. When present in an ERD, the entity Team and Player are inter-connected with a one-to-many relationship

Answer 2

Hello Friend,

Cardinality defines the possible number of occurrences in one entities which is associated with the number of occurrences in another. plz check the attached file

For example:

ONE team has MANY players. When present in an ERD, the entity Team and Player are inter-connected with a one-to-many relationship