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# 云数据库 CRUD
## 官方文档
参考官方文档:https://doc.dcloud.net.cn/uniCloud/database.html
## 新增数据
```javascript
const db = uniCloud.database()
const users = db.collection('users')
users.add({
name: 'Alice',
age: 20
}).then(res => {
console.log('新增 ID', res.id)
})
```
## 查询数据
```javascript
users.get().then(res => {
console.log(res.data)
})
```
## 更新数据
```javascript
users.doc('doc-id').update({
age: 21
})
```
## 删除数据
```javascript
users.doc('doc-id').remove()
```
## 参考资源
- https://doc.dcloud.net.cn/uniCloud/database.html