Which type of ERD focuses on the relationships between entities?
Which type of ERD is used for initial database design?
In an ER diagram, cardinality is used to show the of instances of one entity that can be associated with another entity.
Associative Entity
The primary key in an entity is represented by a/an in an ERD.
Physical ERD
An entity in an ER diagram is represented by a .
Which ERD type is closest to the actual database implementation?
What is cardinality in an Entity Relationship Diagram?
What does an entity represent in an Entity Relationship Diagram?
In ERD modeling, cardinality describes the number of instances of one entity that can be associated with the number of instances of another entity, such as one-to-one, one-to-many, or relationships.
One of the types of relationships in an ER diagram is the relationship.
Attribute
What is an attribute in an Entity Relationship Diagram?
