图形数据库neo4j——(2)Cypher

CREATE (
   <node-name>:<label-name>
   {    
      <Property1-name>:<Property1-Value>
      ........
      <Propertyn-name>:<Propertyn-Value>
   }
)

CREATE(p:Person{name:"zhangsan",nation:"CHINA",age:22})

CREATE(m:Movie:电影)

CREATE(ls:Person{name:"lisi",age:22,nation:"CHINA"}),(ww:Person{name:"wangwu",age:25,nation:"CHINA"})

CREATE (p1:Profile1)-[r1:LIKES]->(p2:Profile2)

CREATE (a:Person{name:"zhaoliu"}),(b:Person{name:"cuihua"}),(a)-[:LIKES{id:1}]->(b)

MATCH(a:Person{name:"Anna"}),(b:Person{name:"Dani"}) CREATE (a)-[:KNOWS]->(b)

MERGE(n:Person{name:"Anna"})RETURN n

MATCH 
(
   <node-name>:<label-name>
)

MATCH(a:Person{name:"Anna"}) SET a.age = 25 RETURN a

RETURN 
   <node-name>.<property1-name>,
   ........
   <node-name>.<propertyn-name>

MATCH(p:Person) WHERE p.name="zhangsan" DELETE p

MATCH(p:Person)-[r:KNOWS]->() WHERE p.name="Anna" DELETE r

MATCH(m:Movie)DETACH DELETE m

MATCH(a:Person) REMOVE a.age RETURN a

MATCH(m:Movie:电影) REMOVE m:电影 RETURN m

CREATE INDEX ON:Custom(name)

DROP INDEX ON:Custom(name)