在此远程视图之上创建昵称。
准确地表示一个远程视图的统计特征很有技巧。
Accurately representing the statistics characteristics for a remote view is tricky.
可以定义远程视图的昵称,就像定义远程表的昵称一样。
A nickname can be defined over a remote view just as it can be defined over a remote table.
对于非关系对象、远程视图或别名,它通常会检索到没用的信息。
It generally retrieves no useful information for nicknames over nonrelational objects, remote views, or aliases.
例如,在Oracle,可以使用如下的远程视图定义来排除XML声明。
For example, at Oracle, you can use the following remote view definition that will exclude the XML declaration.
如果您想将定义远程视图的查询下推到数据源,那么定义远程视图的昵称会比较有用。
Defining a nickname over a remote view is useful in cases where you want to push down the query defining the remote view to the data source.
大多数重新设计的UI控件可以用作应用程序widget中的远程视图,在主屏上显示。
Most of the redesigned UI widgets can now be used as remote views in application widgets displayed on the home screen.
远程XML数据被序列化后,您就能够在联邦服务器在远程视图之上创建昵称,如下所示。
After the remote XML data is serialized, you can create a nickname over the remote view at the federated server as follows.
比如,您也可以在远程视图之上创建昵称,这个远程视图提取部分XML文档或元素的值。
For instance, you can also create a nickname over a remote view that extracts part of an XML document or the value of an element. The Oracle view below will return the content of an XML element.
这种收集统计信息的方法对于远程视图上的昵称特别有用,因为数据源通常不收集关于视图的统计信息。
This method of collecting statistics is particularly helpful for nicknames over remote views, because the data sources typically do not collect statistics on views.
如果远程视图包含一个复杂的查询,那么使用表级统计信息(例如视图昵称的基数)可能使人产生误解。
If the remote view contains a complex query, using table-level statistics such as the cardinality for the nickname over the view can be misleading.
表review位于SQLServer 2005上,其XML数据通过如下所示的远程视图序列化进blob。
The REVIEW table exists on the SQL Server 2005. Its XML data is serialized into a BLOB using the following remote view.
表CUSTOMER_INFO存储于DB 29数据库中,其XML数据通过如下所示的远程视图序列化进blob列。
The table CUSTOMER_INFO is stored in a DB2 9 database, and its XML data is serialized into a BLOB column using the following remote view.
为便于说明,我们将显示如何将这种模式用于本地和远程客户端视图。
For illustrative purposes, we will show how to use this pattern for both local and remote client views.
这里使用了嵌套的循环连接方法来连接来自每个仓库的远程查询结果和xml合成视图结果。
The nested loop join method is used to join the remote query result from each warehouse and the XML composite view result.
更好的解决办法是定义每个远程表的昵称,必要的时候在联邦服务器上定义这些昵称上的视图。
A better solution is to define a nickname over each remote table, and to define views over these nicknames on the federated server if necessary.
表和视图之类的远程对象在联邦服务器上以昵称的形式注册。
Remote objects such as tables and views are registered on the federated server as nicknames.
远程数据源上通常不提供关于一个视图的索引或统计信息。
There is usually no index or statistics information provided at the remote data source on a view.
别名是远程数据源上驻留的数据集的表、视图或任何其他形式的数据的表示。
A nickname is a representation of a table, view, or any other form of data set residing on the remote data source.
尽管还不能通过定义昵称来访问远程XML存储数据,但您看到了如何使用视图来实现这一目的。
Even though you cannot define nicknames to access remote XML store data yet, you've seen how you can use views to accomplish this same task.
然后将这些事件映射到远程对象调用,以便将代码细节置于视图和模型之外。
You can then map the events to remote object invocation, leaving the details of the code out of your views and model.
要从各种关系数据库集成XML数据,可以将在序列化的xml字符串数据之上使用视图作为一种机制来映射远程和本地XML数据。
To integrate XML data from various relational databases, you can use views over serialized XML string data as a mechanism for mapping between remote and local XML data.
DIIOP任务将促进远程连接访问数据库、视图和文档等内容。
The DIIOP task facilitates the remote connections accessing databases, views, documents, and more.
设置远程缓存信息的方式依赖于呈现的视图的“刷新”要求和范围。
How you set remote cache information depends on the "freshness" requirements and the scope of the rendered view.
中央管理部门允许一个集中的视图和管理,只需少量的管理成本就能够管理远程测试系统。
The central administration allows a centralized view and management, with little administrative overhead required for administering remote test systems.
虽然现在尚不能直接支持远程XML数据类型,但联邦用户通过xml视图也可以实现远程XML数据的集成。
Though there is no direct support for the remote XML data type yet, federation customers can also integrate remote XML data using XML views.
没有外部表、远程表、视图或派生表。
No table is an external table, remote table, view, or derived table.
EJB 2.0规范引入了本地客户端视图,当在同一J VM里运行EJB时避免了远程的方法调用。
The EJB 2.0 specification introduced local client views, which eliminate the need to use remote method invocations when running EJBs within the same JVM.
可以将此EJB方法公开给使用远程客户机视图或本地客户机视图的使用者。
You can expose the EJB method to consumers using a remote client view or a local client view.
可以将此EJB方法公开给使用远程客户机视图或本地客户机视图的使用者。
You can expose the EJB method to consumers using a remote client view or a local client view.
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