Cypher - REMOVE

     删除节点的标签
     删除节点或关系的属性

REMOVE <property-name-list>
REMOVE <label-name-list> 

// 删除节点属性

match (u:User)
where u.id = 4
remove u.address,u.age,u.gender
return u 

//删除关系属性

match (u1:User) -[r]->(u2:User)
where u1.id = 6
remove r.type
return r

//删除节点的标签

match (u:User)
where u.id = 6
remove u:Actor
return u

match (u:User)
where u.id = 6
remove u:Actor:User
return u

//不能删除关系的类型 

match (u1:User)-[r:DIRECT]->(u2) where u1.id = 6 remove r:DIRECT