在物理数据模型中避免外部连接。
在建立外部连接前，服务器可以要求登录。
Before an outside connection is made, the server can request a login.
外部连接可能会对查询性能产生负面影响。
Outer joins may have a negative impact on query performance.
直接改变具有外部连接属性的对象。
外部连接——示例外部连接在图1中用绿色显示。
External connections — Example external connections are shown in green in Figure 1.
断开外部连接。
它们可以排列在地面上或用外部连接的楼梯堆叠在一起。
They can be lined up on the ground or stacked up with an external staircase connecting them.
本教程的第一部分给出了关于内部连接和外部连接的例子。
The first part of this tutorial presents examples of inner and outer joins.
与计算机点一样，调度器节点也不应当接受来自用户的外部连接。
Like compute nodes, scheduler nodes should not accept external connections from users.
图8展示了如果规则使用了多个参考列，那么左外部连接就进行级联。
Figure 8 shows that the left outer join operations are cascaded if a rule USES more than one reference column.
本文对光电编码器的轴系结构及外部连接问题进行了讨论。
Shafting Construction and external Couple of photoelectric encoder are discussed in this paper.
获取一个值，该值指示是否在工作簿中禁用外部连接或链接。
Gets a value that indicates whether to disable the external connections or links in the workbook.
标准库中的模板，类，函数和对象具有外部连接（3.5）。
The templates, classes, functions, and objects in the library have external linkage (3.5).
微处理器的管脚状态依靠DDR位的值、端口位和其外部连接。
The status of the pin of the microcontroller depends upon values of the DDR bit, the port bit, and its external connection.
由于这一地带被淤泥和泻湖大量覆盖，一条高架木板路将其与外部连接。
As the site is largely covered by a silt lagoon, access is by way of an elevated boardwalk.
可通过用针对外键的默认值来填充fact表，来将外部连接转换为内部连接。
Outer joins can be converted to inner joins by augmenting fact tables with default values for foreign keys.
MQIPT是一种杰出的工具，可帮助保护和控制WebSphereMQ网络上的外部连接。
MQIPT is an excellent tool to help secure and control external connections on your WebSphere MQ network.
如果你真的需要某种与外部连接的视觉，而你在里面忙你自己的事，你只需要看看天空。
Should you really need some kind of visual connection with the outside while you're busying yourself inside, you only need to look skyward.
用户节点——理想情况下，集群的计算机节点不应该接受外部连接，只应当由管理员通过管理服务器访问。
User nodes — Ideally, the compute nodes of a cluster should not accept external connections and should only be accessible to system administrators through the management server.
这些输出参数通常是一些有关应用程序状态的参数，从外部连接到应用程序的客户端需要从应用程序获取此状态。
These output parameters are typically some of the parameters regarding the state of the application that the client external to the application needs from the application.
由于地形的原因、主入口位于顶层，通过一个宏伟的石头楼梯到达，同时在外部连接建筑的两个楼层。
Due to the topography, the main entrance is located on the top floor and can be reached by a grand stone staircase that externally connects the two levels of the project.
注：本网所有图片无法外部连接，如需转载请重新上载至其他可用网站或在线相簿并请标示出处。谢谢。
Note: All photos cannot be displayed out of this site. Please re-upload them to another server or online album with quotation if forwarded. Thanks for your support.
贮存容器（2）有一个内在的连接件（7）连接在内部连接到一个外部连接的元素元素后者的容器壁渗透（8）。
The storage container (2) has an inner connecting element (7) for connection to an outer connecting element (8) by the latter's penetration of the container wall at the inner connecting element.
Spring的IOC使得从外部连接(wire)对象依赖性容易了，在Spring的体系结构中很容易利用这种优点。
Spring's IOC makes it easy to wire object dependencies externally and this advantage is easily leveraged in Spring's own architecture.
RetrieveMilesImport是用于连接到外部连接性逻辑以从适当航空公司检索乘客里程数的SCA导入。
RetrieveMilesImport is an SCA import that is used to connect to the external connectivity logic to retrieve the passenger's mileage from the appropriate airline.
使用HTTP内容协商可以完成这个任务，这将得到一个OVF文件，外部连接到CDMI管理下的数据（应用数据、虚拟机映像等）。
This is accomplished using HTTP content-negotiation. This will result in an OVF file with external links to CDMI managed data (application data, virtual machine images etc.).
越南工作室被要求为一个喜爱大自然的家庭设计住宅，他们想创建一个能够最大限度与外部连接，同时仍保持私密性的住宅。
The Vietnamese studio was asked to design the house for a nature-loving family, so wanted to create a house that maximises the connection to the outside while also maintaining their privacy.
这个添加在RelatedContexts对象中的公共功能将第二个参数当作一个标识符，来显示外部连接是否是自动连接。
The public function Add in RelatedContexts object takes the second parameter as a flag to indicate whether the external connection is set for autoconnect or not.
这些系统中的有些，就像福特的SYNC，通过驾驶者的移动电话连接外部世界。
Some of these systems, like Ford's SYNC, link up with the outside world through the driver's mobile phone.
这些系统中的有些，就像福特的SYNC，通过驾驶者的移动电话连接外部世界。
Some of these systems, like Ford's SYNC, link up with the outside world through the driver's mobile phone.
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