{
  "node_id": "mysql-ff4222264013437da2214ff77ca92961",
  "keywords": [
    "delete",
    "performance",
    "优化",
    "删除"
  ],
  "children": [],
  "export": [
    "performance_delete.json"
  ],
  "keywords_must": [],
  "keywords_forbid": [],
  "group": 2
}