The default value for production mode — update — keeps all data around between restarts, as well creating or altering tables as necessary.

production模式的默认值 —update — 会在重新启动之间保持所有数据，也会在需要的时候创建或修改表。

youdao

The default value for production mode — update — keeps all data around between restarts, as well creating or altering tables as necessary.

production模式的默认值 —update — 会在重新启动之间保持所有数据，也会在需要的时候创建或修改表。

youdao