图数据库orientDB（1-1）SQL基本操作

SQL基本操作

1.新增VerTex

CREATE VERTEX V SET name="user01",sex="M",age="25";
CREATE VERTEX V SET name="user02",sex="F",age="23";

2.删除VerTex

DELETE VERTEX V WHERE name="user01";

3.新增Edge

CREATE EDGE E FROM #1:1 TO #1:2 SET name="friend";

4.删除Edge

DELETE EDGE E WHERE name="friend";

删除某个VerTex顶点时，其附加的Edge自动失效