Multi-tenant data tier design patterns.
多租户数据层设计模式。
In the data tier, it USES SQL and ODBC.
在数据层，它使用SQL和ODBC。
The MySQL database is used in the data tier.
在数据层中使用MySQL数据库。
As shown in Figure 9, there are three levels of resource sharing in data tier.
如图9所示，在数据层中有三个资源共享级别。
Added to this mix is the open source database success of MySQL in the data tier.
在这个组合之上，还可以用开放源码数据库MySQL建立数据层。
The middle tier typically connects to the data tier by using a data connection.
中间层通常使用数据连接来连接至数据层。
The data tier cannot be accessed directly from the client in the presentation tier.
数据层不能从表示层中的客户端直接访问。
A three-tier enterprise architecture consists of a client tier, middle tier, and a data tier.
一个三层的企业架构由客户机层、中间层以及数据层组成。
This model is composed of three tiers: data tier, application tier and presentation tier.
模型框架结构分为数据层、应用服务层和视图层。
The Domain Model divides into three portions: a presentation tier, an application tier, and a data tier.
领域模型把应用划分成三个部分：表现层，应用层和数据层。
Although you can back up an application tier more easily than a data tier, you must perform many steps when you restore an application tier.
尽管备份应用层比备份数据层更加容易，但在还原应用层时必须执行许多步骤。
However, the cost of process hopping to the database is still high, thus performance on the data tier is the first place to look when optimizing your code.
然而进程跳跃到数据库的成本依然很高，因此数据层的性能是您在优化代码时首先要考虑的问题。
For example, the data tier and the application tier might be located on the same machine in one topology, whereas the two tiers are located on separate machines in the other topology.
例如，在一个拓扑中数据层和应用层可能位于同一计算机上，而这两层在另一个拓扑中位于不同的计算机上。
You want to define and deploy your database by using Data-tier Application Components.
您需要使用数据层应用程序组件来定义和部署数据库。
Converting between Data-tier Application Projects and Database Projects.
在资料层应用程序专案与资料库专案之间转换。
Converting between Data-tier Application Projects and Database Projects.
在资料层应用程序专案与资料库专案之间转换。
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