Notes for "Cypher"

Query node by label and attribution

    # return note which label is '中药'; id is 'md4233'
    MATCH (n:`中药`) where n.id='md4233' RETURN n 

Query node by relationship

• Return relationshio type

    MATCH (n:中药)-[r]->(m) RETURN r,type(r); 
    """ return r's type 
    ╒════════════╤═════════╕
    │"r"         │"type(r)"│
    ╞════════════╪═════════╡
    │{"weight":1}│"子概念"  │
    ├────────────┼─────────┤
    │{"weight":1}│"子概念"  │
    ├────────────┼─────────┤
    """
  

• Query node by relationship type

    # return notes which are the start nodes of relationship '子概念'
    MATCH (n)-[r:子概念]->(m) RETURN n;