{
  "node_id": "mysql-fd27af20b046463eac7b2712885ac018",
  "keywords": ["cross join", "交叉连接"],
  "children": [],
  "export": [
    "cross_join.json"
  ],
  "keywords_must": [
    [
      "mysql",
      "cross join"
    ]
  ],
  "keywords_forbid": [],
  "group": 1
}