NebulaGraph study notes[1]

文章目录

  • a briefing of NebulaGraph
  • references

a briefing of NebulaGraph

  1. NebulaGraph is a distributed, scalable, and lightning-fast graph database which can be deployed on Docker, cloud and local .
  2. the key concepts of graph database is Node/Vertex ,Edge/Relationship and Property.
  3. the graph database stores Entities representing by Node,relationships between entities explained with Edge and Property attached with Nodes and edges.
  4. the data model of NebulaGraph includes 6 basical data type such as Space,Vertex,Edge,Tag, Edge,Property.
  • the various project datas is stored on different graph spaces are to be separated with them.
  • a vertex can be indicated by VIDs that each one of them is unique.
  • Edge which has direction makes a link with two vertexs ,is indentified by<start VID、Edge type、rank、end VID> exclusively.one edge has only one Edge type and only one rank.
  • the Tag consists of a set of predefined property.

references

  1. https://www.nebula-graph.com.cn/
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