{
  "node_id": "mysql-e12eca4c9358429f9222a3f32e1798f6",
  "keywords": [
    "join",
    "连接查询"
  ],
  "children": [],
  "export": [],
  "keywords_must": [
    "join",
    "连接查询"
  ],
  "keywords_forbid": [],
  "group": 1
}