对于基本的应用程序,数据层非常简单。
首先看看这个应用程序,特别是它的数据访问层。
Begin by taking a look at this application, specifically its data access layer.
数据或消息总是可以写入,或从应用程序层或内核层读取。
Data or messages can always be written or read from application level or kernel level.
系统数据层、应用程序服务器和客户端的设计。
Creating the data management level, application server and the client.
数据层基于STEP标准,为应用程序提供统一的数据存取环境;
The data layer provides an uniform data access environment based on the STEP standard;
数据层基于STEP标准,为应用程序提供统一的数据存取环境;
The data layer provides an uniform data access environment based on the STEP standard;
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