logical database

Completion of the database logical structure design and physical structure design, the system of key functions, such as equipment acquisition, event tracking and remote control module solution.

完成了数据库逻辑结构设计和物理结构设计，同时对系统关键功能，如设备状态采集、事件跟踪和远程控制等模块提出解决方案。

Increasingly, the programmer's logical data request is translated to physical form by a database management system.

用数据库管理系统把程序员的逻辑数据请求转换成物理形式是越来越广泛采用的一种方法.

Database partitioning is an inherently relational process of dividing a table's rows by some logical piece of data into smaller groups.

数据库切分是一个固有的关系流程，可以通过一些逻辑数据块将一个表的行分为不同的小组。

Merges the source models of the project into one logical database model.

将项目的源模型合并为一个逻辑数据库模型。

Discards the project's logical database model before re-building it from the source models.

在从源模型重新创建项目前,删除项目的逻辑数据库模型.

A Graphic Tools System for Logical Database Design

数据库逻辑设计的图形工具系统

Removes all expected values from the project's logical database model.

从逻辑数据库模型中删除所有预期值。

The multi-level index includes the tenants node index, tenants logical index, physical database index. 2.

该多级索引包括租户节点索引、租户逻辑索引、数据库物理索引三级。

Ensure that the logical database name is selected ( in this example, MAR), and then click Properties.

确保这个逻辑数据库名称已经被选中（在这个例子中是，MAR），然后点击Properties。

Adopting ERWin tool to carry on the database design, include logical design and physical design.

采用ERWin进行数据库的逻辑设计和物理设计。

And according to the result of system modeling, and completed the database concept design and logical design.

并根据系统建模的结果，完成了数据库的概念设计及逻辑设计。

Update source models to reflect changes to the project's collective logical database model.

更新源模型以反映对项目整体逻辑数据库模型所做的修改。