neo4j初探

概述

neo4j是业内出现较早的图数据库，部署方式类似mysql，存在通用版本community和企业版edition

通用版不支持分布式集群部署，只支持高可用

部署

下载neo4j-enterprise-3.5.0-unix.tar.gz

解压后启动：

tar -zxvf neo4j-enterprise-3.5.0-unix.tar.gz -d /home/graph/service/neo4j-enterprise-3.5.0/

cd /home/graph/service/neo4j-enterprise-3.5.0/

./bin/neo4j start

jps

默认只会监听本地回环地址。修改配置文件填入IP即可

语法

增删改查

MATCH (a:Person),(b:Person) WHERE a.name = 'Alice' AND b.name = 'Andres' CREATE (a)-[r:Follow]->(b);
MATCH (a:Person),(b:Person) WHERE a.name = 'Andres' AND b.name = 'Charlie Sheen' CREATE (a)-[r:Follow]->(b);
MATCH (a:Person),(b:Person) WHERE a.name = 'Andres' AND b.name = 'Bob' CREATE (a)-[r:Follow]->(b);
MATCH (a:Person),(b:Person) WHERE a.name = 'Bob' AND b.name = 'Alice' CREATE (a)-[r:Follow]->(b);
MATCH (a:Person),(b:Person) WHERE a.name = 'Ada' AND b.name = 'Bob' CREATE (a)-[r:Follow]->(b);

MATCH (a:Person),(b:Person) WHERE a.name = 'Ada' AND b.name = 'Andres' CREATE (a)-[r:Test]->(b);

CRUD:
建表：