{
  "node_id": "mysql-db7153c698e8442eb5f71e8ec2f2e6cd",
  "keywords": [
    "unique",
    "唯一约束"
  ],
  "children": [],
  "export": [
    "unique.json"
  ],
  "keywords_must": [],
  "keywords_forbid": [],
  "group": 1
}