# 云数据库

* [新增对象类型](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/cloudfoundation-database-add-object)  
* [新增存储区](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/cloudfoundation-database-add-zone)  
* [引入对象类型文件](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/cloudfoundation-database-add-file)  
* [初始化数据库访问](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/cloudfoundation-database-initialize)  
* [查询数据](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/cloudfoundation-database-query)  
* [写入数据](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/cloudfoundation-database-upsert)  
* [删除数据](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/cloudfoundation-database-delete)