Listing 4. Executing a simple query using Jena's API.
清间4.用Jena API执行一个简单查询。
Creating a simple query to run against the database.
创建针对该数据库运行的简单查询。
Creating a simple query referencing the USER table in the database.
创建一个引用数据库中的user表的简单查询。
Demonstrates a simple query from an existing SQL database using the console.
演示使用控制台从现有SQL数据库发出的简单查询。
Things get more interesting when I run a simple query to return all Persons, like so.
当运行一个返回所有Person的查询时，将会更加有趣，如下所示。
The article USES the NorthWind database for the model and creates a very simple query.
本文使用了NorthWind数据库作为模型，并创建了一个简单查询。
Demonstrates how to create an entity class and a simple query to filter the entity class.
演示如何创建一个实体类以及一个用于筛选实体类的简单查询。
A simple query enables push-based location detection for every user in that area (see figure 6).
一个简单的查询为该地区的所有用户实现了基于推的位置检测(参见图6)。
Recall the example in Listing 10, a simple query to retrieve three elements from an XML document.
还记得吗，清单10中的例子是一个简单的查询，它从一个XML文档中检索3个元素。
A simple query subject that accesses the outlier table BANK.CUSTOMER_OL created in the first section.
一个简单的访问第一节中创建的离群值表BANK . CUSTOMER_OL的查询主题。
Simple Query: Start with a typical set of conditions: Owner, Status, Filed Against and Full Text.
简单查询：从一组典型条件开始：所有者、状态、类别和全文。
Simple access is a little slower than a simple query (find a single object by primary key) to a database.
对数据库的简单访问要比对数据库的查询(通过主键找到一个单一对象)慢一些。
The guideline and technology in designing prototype, as well as a simple query example, are described.
本文讨论它的设计思想和实现技术，并给出一个简单的查询实例。
Figure 1 is for a simple query where the results from individual slices need not to be processed further in memory.
图1是一个简单的查询，其中来自各个片的结果无需在内存中做进一步的处理。
Additionally, the program provides some simple query functions on the tokens, such as token info and mechanism list.
另外，这个程序提供了对令牌的一些简单查询功能，譬如令牌信息和机制列表。
The architectural pattern shown in figure 7 is the most basic in that it enables a simple query for multiple data sets.
图7中显示的架构模式是最基本的，它支持对多个数据集进行简单的查询。
A second large category of storage patterns were satisfied by access to simple query interface into structured datasets.
第二大类存储模式是通过简单的查询接口访问结构化的数据集。
The most common scenario involves using JSPs to display information from a simple query where the data is not needed beyond this query.
最常见的情形包括使用JSP显示来自简单查询的信息，简单查询不需要超越这次查询范围的数据。
The solution is to create a simple query interface to help keep the bandwidth under control as well as to make processing the results simpler.
解决方案是创建一个简单的查询接口，帮助控制带宽并简化处理。
For this scenario, assume that the user leaves the default collection selected, enters a simple query string, and then clicks the Search button.
对于该场景，假定用户保留所选择的默认集合，输入一个简单的查询字符串，然后单击Search按钮。
Watch how Groovy elegantly lets me focus on the task at hand — performing a simple query — and handles the underlying resource handling for me in Listing 4.
请看清单4中，Groovy替我处理底层资源，从而非常漂亮地让我把注意力集中在手边的任务——执行一个简单的查询。
If the request was a simple query request with no important side effects, then the requester could resend the message on a new connection (assuming one can be established).
如果请求只是一个没有重要副作用的简单查询请求，则请求方可以在新连接上重发消息(假设能够建立一个连接)。
In cases where the fact table is large in volume, millions or even billions of rows, the wait time for what is perceived to be a simple query may take longer than expected.
如果事实表数据量很大，有几百万甚至几十亿行，那么一个简单查询的等待时间也会比预期长。
Most implementations of XQuery that exist today perform joins so inefficiently that even a simple query involving a few thousand records can take an unacceptable amount of time to process.
现今的大多数XQuery实现执行连结(join)操作的效率很低，即使是一个只涉及几千条记录的简单查询都需要耗费大量的、令人难以接受的处理时间。
Even choosing only a subset of the columns from the view would be a simple SQL query.
即使是只从视图中选择列的一个子集，也能用一个简单的SQL查询实现。
Listing 6 creates a scalar function that extracts a given XML element from an input document and shows how this function can be invoked in a simple SQL query to return the name of a given customer.
清单6创建一个标量函数，它从输入文档中提取出一个特定的xml元素。然后，在一个简单的SQL查询中调用此函数，从而返回给定的客户的姓名。
It's a simple interface: type in your query, see the results.
这是一个简单的界面：输入您的查询，查看结果。
Whether it is application services being exposed or a simple generated data query service, the resulting data must appropriate to the business context and be accurate to be of any value.
无论是公布应用程序服务还是生成的简单的数据查询服务，产生的数据都必须适合业务上下文，并且足够精确，如此才具有价值。
Whether it is application services being exposed or a simple generated data query service, the resulting data must appropriate to the business context and be accurate to be of any value.
无论是公布应用程序服务还是生成的简单的数据查询服务，产生的数据都必须适合业务上下文，并且足够精确，如此才具有价值。
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