In this example, and update occurs if the target and source have matching row.
在这个例子中，如果目标和源数据表有匹配的行，就实行更新操作。
Update the necessary source files to reflect the hostnames of your runtime environment.
更新必要的源文件，以反映运行时环境的主机名。
But because standards serve as a core source that is distributed across many instances, you might face challenges when you need to update a standard.
但由于标准作为核心资源被分布到多个实例中，因此当需要更新一个标准时，您可能会面临一些困难。
After you run the transformation, it will be also possible to update the target project without changing the source model.
在您运行转换以后，在不更改源模型的前提下，更新目标项目也是可能的。
Describe their location, systems, access approaches, source data traffic and update frequency, data security, and data quality.
描述其位置、系统、访问方法、源数据流通和更新频率、数据安全性和数据质量。
A virtual catalog capability might leverage such a read-only pattern, as there's no need (or perhaps no ability) to update the preferred source.
虚拟目录功能可以利用这种只读的模式，因为它不需要(或者可能没有能力)更新首选信息源。
If a row has already been updated or deleted, then this row cannot be joined again with any source table row for another update or delete again.
如果一个行已被更新或者删除，那么不能针对该行再次更新与删除，再次与任何源表联接。
Even if you retrieved the complete document from the database, you can still use sub-document updates to update isolated node values in the source document.
即使从数据库中获取了完整的文档，仍然可以使用子文档更新更新源文档中单独的节点值。
To drive these per alternate source policies, you must identify the find, create, and update operations in the preferred source interface.
要驱动每个备用源的策略，您必须在首选源接口中标识查找、创建、和更新操作。
When using the standard UPDATE syntax with joins, it is possible that more than one source row matches the target row.
在使用标准的UPDATE句法和联合时，可能有超过一个源行跟目标行匹配。
If updates to the coordinate columns are possible, you may still be able to avoid bulk copies if the source table contains a time stamp column that records the time of last update for each row.
如果可能更新坐标列，但是源表包含一个时间戳列，其中记录了每行最后一次更新的时间，那么仍然可以避免批量复制。
Using either the or empty element, each project must specify the version-control tool that should be used to update its source tree.
利用或空元素，每个项目必须指定自己用来更新源树的版本控制工具。
To apply an update to the original data source, the application sends the updated graph back to the DAS, which in turn interacts with the data source.
为了将更新应用于原始的数据源，应用程序将更新过的图发送回DAS，而DAS又与数据源交互。
For INSERT, UPDATE, and DELETE queries involving nicknames, in some cases (explained below), all the work might be done by the remote data source, and a SHIP operator will not be found in the FQEP.
对于使用了昵称的INSERT、UPDATE和DELETE查询，在某些情况下(后面会解释)，所有工作可能都是由远程数据源来做，而在FQEP中没有ship操作符。
Update your realm and tune the data source as necessary.
必要时对域进行更新并调优数据源。
End-to-end latency is the time it takes from the point in time when an update occurs at a source table until that update is applied to the target.
端到端延时是指从源表发生更新到此更新应用到目标表所经历的时间。
In a more general case, the preferred source interface may contain additional operations that allow the client to create, update, or delete (in some cases delete may take the form of deactivate).
在更为一般的情况下，首选源接口可能包含附加的操作，这些操作允许客户端创建、更新、或者删除(在某些情况下，删除操作可能是无效的)。
This workspace provides all the source files for the message flow nodes and Update Manager Site projects.
此工作区提供了消息流节点和UpdateManagerSite项目的所有源文件。
Once you have established the process, it takes very little time to update with the latest code or missing jars, through source control, when a build occurs.
建立了此流程后，在出现构建操作时，通过源控制更新最新代码或缺失的jar只需要很少的时间。
For the merge statement that contains only the update clause or the delete clause, the inner join is performed between source and target table.
对于仅包含更新子句或删除子句的merge语句，内部联接会在源表与目标表之间执行。
Simply create a connection between a source element and target element and update the transform type to be an If refinement.
在源元素和目标元素之间创建一个连接并将转换类型更新为 If 细分。
The source code snippet to retrieve the field definitions and update the TCheckListBox as shown below.
检索字段定义并更新tchecklistbox的源代码片段如下所示。
Just before saving the completed mashup, you should turn off caching in all source operators that use relational update feeds.
在保存完成的混搭之前，应在所有使用关系型更新数据源的source操作符中关闭缓存。
Update the Web deployment descriptor, and add a resource reference for the data source.
更新Web部署描述符，并添加用于数据源的资源引用。
When either of the coordinate columns in the source table is updated, a new point geometry must be constructed. The update trigger looks like this
当更新源表中的坐标列时，必须构造一个新的点几何值。
The JDBC data mediator service generates the appropriate SQL statements (SELECT, INSERT, UPDATE, and DELETE) to access the target data source.
JDBC数据中介服务生成适当的sql语句(SELECT、INSERT、UPDATE和DELETE)来访问目标数据源。
For each data source, update the database hostname with the new hostname.
对于每个数据源，用新的主机名更新数据库主机名。
The information source may have one or more write operations that allow a client to create and update entity records.
信息源可能有一个或者多个写操作，这些写操作允许客户端创建和更新实体记录。
This allows multiple update operations to be submitted to a data source for processing at once.
这样可以将多个更新操作提交到一个数据源并进行一次性处理。
Applications have complete update control over over how data changes are submitted between the in-memory cache data set and the underlying data source through ADO.NET methods.
对于如何通过ADO.NET方法在内存缓存数据集合与基本数据源之间提交数据更改，这些应用程序拥有完全的更新控制权。
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