Creating Existence Constraints for Node Properties
Depending on your application needs, you may want to ensure that some iFull definition for node (opens in a new tab)A vertex in a graph. In a property graph it can carry labels and properties. with a given iFull definition for label (opens in a new tab)A tag on a node that groups it with other nodes of the same kind. A node can carry more than one. always have a particular iFull definition for property (opens in a new tab)A named value stored on a node or a relationship..
For example, a Person node must have a name property.
The name need not be unique for all Person nodes, but the application does not permit a Person node without a name property.
Existence iFull 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. are only available in Enterprise Edition.
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