不需要根据ID等唯一标识符去查找，只要一条sql语句要求返回所有的患者。

Instead of finding by a unique identifier like id, an SQL statement requests that all patients be returned.

youdao

不需要根据ID等唯一标识符去查找，只要一条sql语句要求返回所有的患者。

Instead of finding by a unique identifier like id, an SQL statement requests that all patients be returned.

youdao