图形数据库Neo4j入门

一、安装

官网下载，https://neo4j.com

二、Neo4j的查询语言Cypher的基本使用

1、CREATE (you:Person {name:"chenjie"}) RETURN you

2、MATCH (you:Person {name:"chenjie"}) CREATE (you)-[like:LIKE]->(neo:Database {name:"Neo4j" }) RETURN you,like,neo

3、MATCH (you:Person {name:"chenjie"}) FOREACH (name in ["Johan","Rajesh","Anna","Julia","Andrew"] | CREATE (you)-[:FRIEND]->(:Person {name:name}))

MATCH (you {name:"chenjie"})-[:FRIEND]->(yourFriends) RETURN you, yourFriends

4、MATCH (neo:Database {name:"Neo4j"}) 

MATCH (anna:Person {name:"Anna"}) 

CREATE (anna)-[:FRIEND]->(:Person:Expert {name:"Amanda"})-[:WORKED_WITH]->(neo)

5、MATCH (you {name:"chenjie"})
MATCH (expert)-[:WORKED_WITH]->(db:Database {name:"Neo4j"})
MATCH path = shortestPath( (you)-[:FRIEND*..5]-(expert) )
RETURN db,expert,path

CREATE (star:Star {id:"2012",name:"高圆圆"})
 RETURN star
 
MATCH (star:Star {id:"2012"}) CREATE (star)-[workas:WORKAS]->(job:JOB {name:"演员" }) RETURN star,workas,job
MATCH (star:Star {id:"2012"}) CREATE (star)-[workas:WORKAS]->(job:JOB {name:"模特" }) RETURN star,workas,job
MATCH (star:Star {id:"2012"})-[workas:WORKAS]->(job:JOB) return star,workas,job


MATCH (star:Star {id:"2012"}) CREATE (star)-[xingzuowith:XINGZUOWITH]->(xingzuo:XINGZUO {name:"天秤座" }) RETURN star,xingzuowith,xingzuo


MATCH (star:Star {id:"2012"}) CREATE (star)-[birthIn:BIRTHIN]->(place:PLACE {name:"北京" }) RETURN star,birthIn,place


MATCH (star:Star {id:"2012"}) CREATE (star)-[jiguanWith:JIGUANWITH]->(place:PLACE {name:"河北唐山" }) RETURN star,jiguanWith,place


MATCH (star:Star {id:"2012"}) CREATE (star)-[genderWith:GENDERWITH]->(gender:GENDER {name:"女" }) RETURN star,genderWith,gender


MATCH (star:Star {id:"2012"}) CREATE (star)-[birthYear:BIRTHYEAR]->(year:YEAR {name:"1979" }) RETURN star,birthYear,year


MATCH (star:Star {id:"2012"}) CREATE (star)-[birthMouth:BIRTHMOUTH]->(mouth:MOUTH {name:"10" }) RETURN star,birthMouth,mouth


MATCH (star:Star {id:"2012"}) CREATE (star)-[bloodwith:BLOODWITH]->(blood:BLOOD {name:"A" }) RETURN star,bloodwith,blood


MATCH (star:Star {id:"2012"}) CREATE (star)-[hightwith:HIGHTWITH]->(hight:HIGHT {name:"165cm" }) RETURN star,hightwith,hight


MATCH (star:Star {id:"2012"}) CREATE (star)-[countrywith:COUNTRYWITH]->(country:COUNTRY {name:"中国" }) RETURN star,countrywith,country


MATCH (star:Star {id:"2012"}) CREATE (star)-[weightwith:WEIGHTWITH]->(weight:WEIGHT {name:"48kg" }) RETURN star,weightwith,weight


MATCH (star:Star {id:"2012"}) CREATE (star)-[sanweitwith:SANWEIWITH]->(sanwei:SANWEI {name:"83，60，87" }) RETURN star,sanweitwith,sanwei


MATCH (star:Star {id:"2012"}) CREATE (star)-[schoolwith:SCHOOLWITH]->(school:SCHOOL {name:"中国工运学院",major:"公关文秘" }) RETURN star,schoolwith,school










MATCH (star:Star {id:"2012"}) 
FOREACH (name in ["无人驾驶","海洋天堂","开往春天的地铁","单身男女","十七岁的单车","高海拔之恋Ⅱ",
"搜索","爱情麻辣烫","一生一世","单身男女2","咱们结婚吧",
"君子道","青红","宝贝计划","左右","第三个人","南京！南京！"] | 
CREATE (star)-[majorin:MAJORIN]->(movie:MOVIE {name:name}))


MATCH (star:Star {id:"2012"}) 
FOREACH (name in ["倚天屠龙记","咱们结婚吧","华策版天龙八部","天下第一","非常静距离","准点出击",
"大秦帝国之裂变"] | 
CREATE (star)-[majorin:MAJORIN]->(tv:TV {name:name}))




MATCH (star:Star {id:"2012"})-[workas:WORKAS]->(job:JOB)  
MATCH (star:Star {id:"2012"})-[xingzuowith:XINGZUOWITH]->(xingzuo:XINGZUO) 
MATCH (star:Star {id:"2012"})-[birthIn:BIRTHIN]->(place1:PLACE) 
MATCH (star:Star {id:"2012"})-[jiguanWith:JIGUANWITH]->(place2:PLACE) 
MATCH (star:Star {id:"2012"})-[genderWith:GENDERWITH]->(gender:GENDER) 
MATCH (star:Star {id:"2012"})-[birthYear:BIRTHYEAR]->(year:YEAR) 
MATCH (star:Star {id:"2012"})-[birthMouth:BIRTHMOUTH]->(mouth:MOUTH) 
MATCH (star:Star {id:"2012"})-[bloodwith:BLOODWITH]->(blood:BLOOD) 
MATCH (star:Star {id:"2012"})-[hightwith:HIGHTWITH]->(hight:HIGHT) 
MATCH (star:Star {id:"2012"})-[countrywith:COUNTRYWITH]->(country:COUNTRY) 
MATCH (star:Star {id:"2012"})-[weightwith:WEIGHTWITH]->(weight:WEIGHT) 
MATCH (star:Star {id:"2012"})-[sanweitwith:SANWEIWITH]->(sanwei:SANWEI) 
MATCH (star:Star {id:"2012"})-[schoolwith:SCHOOLWITH]->(school:SCHOOL)
MATCH (star:Star {id:"2012"})-[majorin:MAJORIN]->(movie:MOVIE)
MATCH (star:Star {id:"2012"})-[majorin:MAJORIN]->(tv:TV)
return star,workas,job,
xingzuowith,xingzuo,
birthIn,place1,
jiguanWith,place2,
genderWith,gender,
birthYear,year,
birthMouth,mouth,
bloodwith,blood,
hightwith,hight,
countrywith,country,
weightwith,weight,
sanweitwith,sanwei,
schoolwith,school,
majorin,movie,tv