The presentation tier never sends or receives query variables directly to or from the middle tier.
表示层从不直接向中间层发送查询变量，也从不直接从中间层接收查询变量。
You can defer query optimization until input variables are known at runtime with the REOPT guideline.
可以使用REOPT指南，将查询优化推迟到运行时输入变量已知的时候。
At run time, the plug-ins are invoked with the deployed query and a list of resolved context variables as parameters.
在运行时，将使用已部署查询和已解析的上下文变量列表作为参数来调用该插件。
With variables and assignments, you can also perform easy calculations, such as counting the occurrences of a query.
有了变量和任务，您就可以轻松计算了，例如计算查询进行的次数。
For example, the optimizer does not know the values of host variables or parameter markers (if these are contained in the query) until the query is executed.
例如，优化器到执行时才会知道主机变量或参数标记的值(如果查询中包含的话)。
You can now query business state machine variables including the display name of the current state as well as correlation set information.
现在，您可以查询业务状态机变量，包括当前状态的显示名称以及相关集信息。
The use of multi-value context variables is limited to one per staff query element.
多值上下文变量的使用限于每个人员查询元素一个。
Each matching binding of the graph pattern's variables to the model's nodes becomes a query solution, and the values of the variables named in the SELECT clause become part of the query results.
将每个图形模式变量的绑定与模型节点进行匹配就成为一种查询解决方案，而select子句中指定的变量值则成为查询结果的一部分。
Such unreplaced context variables may lead to failing staff queries, and you should check for them if your staff query fails unexpectedly.
此类未替换的上下文变量可能导致人员查询失败，如果人员查询意外失败，您应该检查这些上下文变量。
This provides users the ability to leverage SAP BW objects not otherwise available from the cube, such as calculated and restricted key figures, query structures, filters, and variables.
这将提供给用户不从立方体利用SAP BW的能力，如计算并限制关键数字、查询结构、筛选器和变量。
The FILTER keyword in SPARQL restricts the results of a query by imposing constraints on values of bound variables.
SPARQL中的FILTER关键字对绑定变量的值进行约束，从而限制查询的结果。
On the other hand, the worker process exploits synchronous pipes when it needs to query for information about the IIS environment (that is, server variables).
另一方面，当需要IIS环境更多信息(即服务器变量)时，工作进程使用同步管道。
This will provide users the ability to leverage SAP BW objects not otherwise available from the cube, such as calculated and restricted key figures, query structures, filters, and variables.
这将提供给用户不从立方体利用SAP BW的能力，如计算并限制关键数字、查询结构、筛选器和变量。
Every time the query is executed, variables are supplied which get mapped into the "? "parts of the query.
每次执行查询时，提供的变量映射到查询的“？”部分。
A useful technique to use with a Query is to set some of its variables to fixed values prior to execution.
使用Query的一个非常有用的方法是在执行之前将它的一些变量设置为固定值。
In addition to fetching data out of cursors, you can load values from a single row query into variables using three different techniques.
除了从游标获得数据之外，可以使用三种不同的技术将来自单行查询的值装载进变量中。
This means that the same person node can not exist in both named graphs in the query, and so different variables (x and y) must be used to represent them.
这意味着表示同一个人的节点不能在查询的两个命名图中同时存在，所以必须用不同的变量 （x和y）来表示它们。
The SELECT part declares the variables to be output by the query -- in this case, the variable named definition.
SELECT部分声明查询要输出的变量 —在本例中，是名为definition的变量。
All variables returned by this method can be cast to RDFNode, which is useful if you want to bind them back into a further RDQL query.
通过此方法返回的所有变量都可以转换成rdfnode，如果您想将这些变量绑定回更进一步的RDQL查询，这将非常有用。
The table below outlines the file names and environment variables used by each of the IBM Cognos 10 query modes.
下表概述每个IBMCognos10查询模式使用的文件名和环境变量。
The most important part of this code is the SQL query — in Listing 6, the Ajax will switch to POST, instead of GET (as seen in Listing 3), and send four variables: left, right, bottom, and top.
这段代码最重要的部分就是SQL查询——在清单6中，Ajax将会切换为POST，而不是GET(正如在清单3中看到的)，并且传送4个变量：left、right、bottom和top。
Then, with a basic query, experiment with using more input variables declared in your query.
然后从一个简单的查询开始，尝试在查询中使用更多的输入变量。
Finally, we need implicitly typed variables, so that we can assign the query to a variable without having to declare its type explicitly.
最后，我们需要使用隐式类型化变量，这样就可以为变量分配查询，不必显式声明其类型。
Another method that could be used is to query the locale environment variables.
另一种可以使用的方法是查询语言环境变量。
In this case, the query first declares two variables, and then USES the let construct to add them together and the result construct to return the result.
在本例中，查询首先声明两个变量，然后使用let函数将它们合并起来，并使用result函数返回结果。
Using the LocalEnvironment variables to query the file record number.
使用LocalEnvironment变量查询文件记录编号。
It can find more candidate solutions, and is more efficient when the built-in predicates of the query involve only distinguished variables.
本文提出了一种基于目标的方法，可以找到更多的候选方案，当查询的内置谓词只包含特征变量时该方法更加有效。
Thirdly it defines various language variables, three kinds of features representation, mural data model, general mural query language as well as process algorithm.
提出基于语言变量的特征表达、壁画数据模式、通用的壁画查询语言与实现算法；
The variables in a query expression are all strongly typed, although in many cases you do not have to provide the type explicitly because the compiler can infer it.
查询表达式中的变量都是强类型的，但许多情况下您不需要显式提供类型，因为编译器可以推断类型。
You can cache pages based on the values of query string parameters or form variables (control values).
可以根据查询字符串参数值或窗体变量值(控件值)缓存页。
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