{
  "node_id": "pg-55fd213f919d411c9b572241c4bb7807",
  "keywords": [
    "子查询",
    "subquery"
  ],
  "children": [],
  "export": [
    "subquery.json"
  ],
  "keywords_must": [
    "子查询",
    "subquery"
  ],
  "keywords_forbid": []
}