config.json

{
  "node_id": "mysql-7bc092b1b1854dd3b88eed3a517b96a2",
  "keywords": ["子查询", "列子查询"],
  "children": [],
  "export": [],
  "keywords_must": [
    ["mysql", "列子查询"]
  ],
  "keywords_forbid": [],
  "group": 0
}