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