after the conceptual schema comes the logical schema -- the data model that defines the concepts with greater detail and shows the relationships between the entities.
在概念模式后出现的是逻辑模式 ——用更多的细节定义概念,并显示实体之间的关系的数据模型。
the namespace name of the entity object type or complex type in the conceptual schema that maps to this type.
概念架构中类型的名称,该类型映射到此特性所应用于的类。
net entity framework uses a dsl called conceptual schema definition language ( csdl) to define conceptual models.
net实体框架使用一种称为概念架构定义语言 (csdl) 的dsl来定义概念模型。
conceptual schema definition language (csdl) is an example of such a domain-specific language.
概念结构描述定义语言 (csdl)是此类特定定义域语言的范例之一。
whether the e-r schema constructed caters for database requirement and how correctness and completeness of the conceptual schema is evaluated remains a problem needed for further research.