问题: 星空联盟有多少个通航国家和正式成员？
Cypher查询:
match (:ENTITY{name:'星空联盟'})-[:Relationship{name:'通航国家'}]->(n) return n.name as name union all match (:ENTITY{name:'星空联盟'})-[:Relationship{name:'正式成员数'}]->(m) return m.name as name
查询结果:
192个
28个