CREATE (ww: DatabaseConnection {ConnectionId: 'c338df71cdcf85ebadac1aab31e25b3f ConnectionHost:' localhost ', ConnectionPort: '1521', ConnectionSeverName: 'TESTUSE, ConnectionUserName:' system 'and ConnectionPassword:' wouldn '})

Such a statement, for example, I perform twice will produce the same two nodes

CodePudding user response:

Never used this kind of database, can't help you sorry

CodePudding user response:

Use the merge keyword
Merge (n: person {id: 1}) set n +={id: 1, name: 'the lz, age: 18} return n

When a person node properties match id=1, update the node, if there is no criterion to create the node,