变化的业务需求不断地要求向关系数据模型或面向对象模型中添加新实体和关系。

From time to time, the demands of changing business needs require that you add new entities and relationships to the relational data models or object-oriented models.

youdao

变化的业务需求不断地要求向关系数据模型或面向对象模型中添加新实体和关系。

From time to time, the demands of changing business needs require that you add new entities and relationships to the relational data models or object-oriented models.

youdao