It contains attributes that correspond to the table columns, and it allows applications to interact directly with a conceptual model of the database.
它包含了与表格列相对应的属性，并允许应用程序直接与数据库的概念模型相联系。
This provides a modeling framework that enables developers to define a conceptual model of a database schema that closely aligns to a real world view of the information.
它提供了模型化的框架，能够让开发人员为数据库架构定义一个与真实世界信息相似的概念化的模型。
BlastX is used to compare the conceptual translations of a DNA sequence against a protein sequence database.
BlastX是用于比较DNA序列和蛋白质序列数据库的概念性转换的。
This system adopts data mining technique to obtain useful information and knowledge from existing products database, knowledge storehouse and regulation storehouse to support conceptual design.
本系统采用数据挖掘技术从已有的产品数据库、知识库和规则库中获取有用信息和知识以支持产品概念设计。
This system adopts data mining technique and obtains useful information and knowledge from existing products database, knowledge storehouse and regulation storehouse to support conceptual design.
采用数据挖掘技术从已有的产品的数据库、知识库、规则库中获取有用的信息和知识来有效地支持机械产品概念设计。
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.
所构造出的E - R模式是否满足数据库的设计要求，如何评价所构造的概念模型的正确性与完整性，仍然是个需要深入研究的问题。
Designing the conceptual model in database is one of the most important factors for the database designing process.
数据库概念模式的设计是数据库设计过程中最重要的环节之一。
The design of the risk database, including conceptual model and logical model, was described in details.
文章对数据库的概念模型、物理模型设计工作进行了详细描述。
The abstract information of entire software code is stored in a program database that is the conceptual scheme of the entire software, whereas the reuse component is a subscheme.
整个软件源代码的抽象信息存入程序数据库中，相当于软件的概念模式，重用构件相当于子模式。
Or, you can graphically create a conceptual model first, and then generate a database that supports your model.
或者，您可以先以图形方式建立概念模型，然后产生可支援该模型的资料库。
The tools also allow you to build a conceptual model first, then automatically generate related CLR objects and a supporting database.
通过这些工具，您还可以首先构建概念模型，然后自动生成相关的CLR对象和支持数据库。
This topic describes how to manually create a conceptual model in which an entity type is mapped to two tables in the underlying database.
本主题介绍如何手动创建一个概念模型，其中将一个实体类型映射到基础数据库中的两个表。
When using legacy data in a conceptual model, it is sometimes useful to be able to map a single entity to two tables in the database.
在概念模型中使用旧式数据时，有时可以将一个实体映射到数据库中的两个表会非常有用。
The Entity data model Wizard allows you to generate a conceptual model from an existing database and adds database connection information to your application.
实体资料模型精灵可以让您从现有的资料库产生概念模型，并且将资料库连接资讯加入到您的应用程序。
Describes how to derive a conceptual model from an existing database.
介绍如何从现有数据库派生概念模型。
The create database Wizard allows you to create a conceptual model first and then create a database that supports the model.
建立资料库精灵可以让您先建立概念模型，然后再建立支援该模型的资料库。
When you use a conceptual model to describe the data in a database, you can query data through your objects instead of having to translate back and forth between a database schema and an object model.
当您使用概念模型来描述资料库中的资料时，可以透过物件查询资料，而不需要在资料库结构描述和物件模型之间来回转译。
This thesis which combines database theory with the actual situation of Chengdu railway bureau and its subordinate agencies accomplishes conceptual design and logic design of the database.
然后结合数据库相关理论和成都铁路局及其下级机构的实际情况，进行了数据库概念设计、逻辑设计。
The database First workflow begins with a legacy database and leverages a wizard to reverse-engineer that database into a conceptual model.
资料库第一个工作流程开始与旧版的资料库，并运用资料库到概念模型的反向工程精灵。
Generate database Wizard (Entity data model Tools) to automatically generate the storage model, mappings, data classes, and a database that supports the conceptual model.
“生成数据库”向导(实体数据模型工具)自动生成支持此概念模型的存储模型、映射、数据类和数据库。
Shows how to create a database from an existing conceptual model.
演示如何从现有的概念模型中创建的数据库。
Technologies such as the Entity Framework and WCF data Services use conceptual models to translate object operations into database operations.
技术如实体框架和WCF数据服务使用转换到的数据库操作的对象操作的概念模型。
Associations in the conceptual model are types whose properties represent primary and foreign key columns in the underlying database.
概念模型中的关联是一些属性表示基础数据库中的主键列和外键列的类型。
Provides links to conceptual topics about the tools included and how to manage multiuser database projects.
提供指向有关所包括的工具和如何管理多用户数据库项目的概念性主题的链接。
Thirdly, the conceptual model of map database and administrative mode of map complex object are designed.
第三，设计了地图数据库的概念模型和地图复杂对象管理模式；
Based on generalized framework for access control, the author has developed an application model on universal database by conceptual and extract business logics.
本文通过对业务逻辑的抽象与提取，形成了通用数据库访问控制框架及在此框架下的访问控制要素的聚类模型。
The emphases were on the building of the conceptual structure, logical structure, physical structure and application development of the database of the air traffic control system.
重点建立了空中交通管制系统的数据库概念结构，逻辑结构和物理结构，并进行了应用开发。
Provides links to conceptual topics discussing the OLE DB database technology and the OLE DB Template Library.
提供指向讨论oleDB数据库技术和OLE DB模板库的概念性主题的链接。
And under the unified public database, realize flowing openly and calculate the data between the subsystems share with part and conceptual design of thermodynamic.
并在统一的公共数据库下，实现通流部分与热力方案设计计算子系统之间数据共享。
Narrow sense database design includes three stages: Conceptual design, logical design and physical design. This article discusses how to optimize the database performance on the three stages.
狭义数据库设计包括三个阶段：概念设计、逻辑设计和物理设计，故从这三个阶段探讨如何优化数据库的性能。
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