In ER diagram, is order and cart relationship are weak entity relationship?
In an entity relationship (ER) diagram, is the relationship between Order and Cart considered a weak entity relationship? Because order depends on the cart.
In ER diagram, is order and cart relationship are weak entity relationship?
In an entity relationship (ER) diagram, is the relationship between Order and Cart considered a weak entity relationship? Because order depends on the cart.
ERD notation for multiple connections to a single table
Assume I have a relational database with a User entity and a Friendship entity. The User entity has two connections to the Friendship entity (meaning two Users are part of a single Friendship). How would I note that relationship in an entity relationship diagram using Crow’s Foot notation?
ERD notation for multiple connections to a single table
Assume I have a relational database with a User entity and a Friendship entity. The User entity has two connections to the Friendship entity (meaning two Users are part of a single Friendship). How would I note that relationship in an entity relationship diagram using Crow’s Foot notation?