An ERD is a visual representation of the data model that shows how data is organized and related in a .
What does an entity represent in an Entity Relationship Diagram?
A Logical ERD focuses on the relationships between entities using to connect them.
What is the main focus of a Logical ERD?
Relationship
What is an attribute in an Entity Relationship Diagram?
What is the purpose of a Conceptual ERD?
The primary key in an entity is represented by a/an in an ERD.
Which ERD type is closest to the actual database implementation?
One of the types of relationships in an ER diagram is the relationship.
Junction table
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.
Attribute
Which type of ERD focuses on the relationships between entities?
Logical ERD
Which type of ERD is used for initial database design?
Primary Key
Physical ERD
Foreign Key
In a Physical ERD, the actual data types and lengths of attributes are specified according to the chosen .
