问题: 黑锰矿的硬度和比重分别是多少？
Cypher查询:
match (:ENTITY{name:'黑锰矿'})-[:Relationship{name:'硬度'}]->(n) return n.name as name union all match (:ENTITY{name:'黑锰矿'})-[:Relationship{name:'比重'}]->(m) return m.name as name
查询结果:
6
4.8