云数据库 MongoDB

{
  "_id": ObjectId("..."),
  "name": "张三",
  "age": 28,
  "skills": [
    "Java", "Python"
  ],
  "address": {
    "city": "北京",
    "zip": 100000
  }
}

{
  "_id": ObjectId("..."),
  "title": "文章标题",
  "content": "...",
  "tags": ["技术", "云"],
  "author": {
    "id": 123,
    "name": "李四"
  },
  "views": 1024
}