1.4 · Lesson

Extend the Graph Type

In the previous lesson, you learned how graph types express Full definition for property (opens in a new tab)A named value stored on a node or a relationship. Full definition for constraint (opens in a new tab)A rule the database enforces on every node or relationship with a given label or type, rejecting any write that breaks it., the difference between SET and ADD, and how to define Full definition for relationship (opens in a new tab)A named, directed connection between two nodes. Every relationship has a type, a start node and an end node. element types.

Check your understanding of these concepts before moving on.