In other words, an entity class can have only a 1:1 mapping relationship with a database table or view.

换句话说，实体类与数据库表或视图之间只能具有1：1映射关系。

youdao

In other words, an entity class can have only a 1:1 mapping relationship with a database table or view.

换句话说，实体类与数据库表或视图之间只能具有1：1映射关系。

youdao