neo4j入门

创建一个节点

CREATE (ee:Person { name: "Emil", from: "Sweden", klout: 99 })

寻找节点

MATCH (ee:Person) WHERE ee.name = "Emil" RETURN ee;

模式匹配

MATCH (ee:Person)-[:KNOWS]-(friends)
WHERE ee.name = "Emil" RETURN ee, friends

MATCH (js:Person)-[:KNOWS]-()-[:KNOWS]-(surfer)
WHERE js.name = "Johan" AND surfer.hobby = "surfing"
RETURN DISTINCT surfer

MATCH (a {name: "Tom Hanks"})-[:ACTED_IN]->(m)<-[:DIRECTED]-(d) RETURN a,m,d LIMIT 10

MATCH (tom {name: "Tom Hanks"}) RETURN tom

MATCH (nineties:Movie) WHERE nineties.released >= 1990 AND nineties.released < 2000 RETURN nineties.title

MATCH (tom:Person {name: "Tom Hanks"})-[:ACTED_IN]->(tomHanksMovies) RETURN tom,tomHanksMovies

MATCH (cloudAtlas {title: "Cloud Atlas"})<-[:DIRECTED]-(directors) RETURN directors.name

MATCH (e: Employee) DELETE e

MATCH (book { id:122 })
REMOVE book.price
RETURN book

MATCH (dc:DebitCard)
SET dc.atm_pin = 3456
RETURN dc

MATCH (emp:Employee)
RETURN emp.empid,emp.name,emp.salary,emp.deptno
ORDER BY emp.name

MATCH (emp:Employee) 
RETURN emp
SKIP 2

MATCH (e:Employee) 
WHERE e.id IS NOT NULL
RETURN e.id,e.name,e.sal,e.deptno

MATCH (e:Employee) 
WHERE e.id IN [123,124]
RETURN e.id,e.name,e.sal,e.deptno