要检查位置是否有效，请登录到MySQL服务器中，查询文章表来看看纬度和经度字段填写得是否合适。
To check for valid locations, log into the MySQL server and query the articles table yourself to see if the lat and lon fields are filled in appropriately.
如果你想搜索图书馆藏书，却不知道作者的名字、书名或文章的确切名称，你必须设置关键字查询。
If you want to search the library holdings and don't know the author's name or the exact title of the book or an article, you have to set up a keyword search.
本文仅作简短介绍，因为事件目录本身需要更多的文章来描述用户如何添加、删除和查询事件定义和类型。
This article can only provide a brief introduction as the event catalog would on its own require a further article to describe how users can add, remove, and query event definitions and categories.
本系列后续文章将提供有关适用于查询调优方法的更多信息。
Future articles in this series will provide more information on methodologies that you can use for query tuning.
性能比较使用与之前文章相同的测试代码，即地震数据查询服务。
The performance comparisons use the same test code as earlier articles, a seismic data retrieval service.
本文着重介绍单个查询调优；本系列的下一篇文章将会扩展本文中的技术，详细介绍负载调优。
This article will focus on single-query tuning; the next article of this series will extend the methodology in this article to introduce the workload tuning in detail.
这种集成使开发人员能够使用熟悉的模型创建、提交、管理和查询结构化博客文章。
This integration enables developers to create, submit, manage, and query structured blog posts using a familiar model.
querycount 子元素提供来自博客圈并且与查询匹配的文章的数量。
The querycount child provides the number of articles from the blogosphere that matched the query.
后续文章将在此基础上查询、更新和删除ApacheDerby数据库中的数据。
Future articles will build on this foundation to query, update, and delete data from an Apache Derby database.
这份两部分构成的文章系列采用了另外一种方式进行认证，它是通过查询Geronimo内置的Derby数据库实现的。
This two-part article series takes a different approach to authentication, which is accomplished by querying Geronimo's built-in Derby database.
orderbyposteddesc子句强迫此查询按posted列中的日期(即文章发布到Web站点的日期)的降序返回行。
The order by posted desc clause forces the query to return rows in descending order by the date in the posted column (which is the date that the article was posted on the Web site).
为了简便起见，本文章系列使用OptimQueryTuner名称来指提供Optim查询调优解决方案的顾问和工具集。
For brevity, this article series USES the name Optim query Tuner to refer to the set of advisors and tools that provide Optim query tuning solutions.
通过Technorati，您能够根据特定的条件查询博客文章。
Using Technorati you can query for blog articles based on a specific set of criteria.
这系列的文章假设您对RationalTeam ConcertWeb客户端或者Eclipse客户端有基本的了解，特别是在创建和查询工作项方面更是这样。
This article series assumes basic familiarity with the Rational Team Concert Web client or Eclipse client, particularly creating and querying work items.
在本系列的上一篇文章中，我谈到了查询rdbms与查询像db4o这样的对象数据库的不同之处。
In the last article in this series, I talked about the difference between querying an RDBMS and querying an object database like db4o.
本系列的下一篇文章将介绍 Yahoo!查询语言（YQL），这种单端点JSONP服务允许您跨Web 查询、过滤和合并数据。
The next article in the series will present the Yahoo Query Language (YQL) as a single endpoint JSONP service that lets you query, filter, and combine data across the Web.
这些查询基于流行的DB 2purexml入门文章中的样例(参见参考资料部分了解详细信息)。
These queries are based on samples included in popular DB2 pureXML introductory articles. (See the Resources section for details.)
在先前的文章中，您了解了数据库连接和查询结果的jdbc元数据支持。
In previous articles, you learned about JDBC metadata support for both the database connection and the query results.
这篇文章描述如何通过利用一个地址簿作为例子来使用每一个查询。
This article demonstrates how to use each of these queries by using an address book project as an example.
在关于性能的文章中，您看到如何通过缓存选择查询和通过CLASS减少使用查询来改进它的性能。
In the performance article, you saw how to improve its performance by caching your selection queries and minimizing your usage of searching by CLASS.
编写使用这些比较高级的表连接的SQL查询将在后续文章中介绍。
Writing SQL queries that use these more advanced table joins will be addressed in future articles.
这篇文章详细介绍了一些特定的示例，用来演示在简单的XML处理中，查询方法能够造成多大的影响。
This article details a few specific examples that demonstrate what a difference query methods can make in even simple XML processing.
第二篇文章描述了这种新方法提供的UDDI查询类型，并且采用UDDIV 2API请求的形式给出了几种查询的示例。
The second article described the types of UDDI query this new approach enables, with examples of several queries given in the form of UDDI V2 API requests.
浏览下面这篇文章——如何使用正则表达式优化查询并节约时间？
Navigate to the link to the following article - How to use regular expression to search better and save time?
如果想通过用户最近阅读的100篇文章分析其趋势或者实现对它们的查询，那么这个功能就很有用了。
You might want to analyze the last 100 items a user has read to pull out trends or enable complete search and this function may therefore be useful.
第二篇文章描述了这种新方法提供的UDDI查询类型，并且采用UDDIV 2API请求的形式给出了几种查询的示例。
The second article described the types of UDDI query that are enabled by this new approach, with examples of several queries given in the form of UDDI V2 API requests.
这篇文章描述了关于这个过程更详细的细节，同时还阐述了如何归还到默认的区分大小写的查询中来。
This article describes this process in more detail and also explains how to revert to the default case-sensitive queries.
在这一个系列中的下一篇文章把TechnicalNote中描述的查询方法应用到一个样本WSDL描述，演示如何发布在这篇文章中讲述的一些查询类型。
The next article in this series will apply the approach described in the Technical Note to a sample WSDL description and show how to issue some of the types of queries described in this article.
更复杂的情形可能需要更复杂的查询；信息中心的Interface HumanTaskManagerService文章是了解查询语法的很好的入门文章。
More complex situations might require more complex queries; a good starting point to understand the query syntax is the Interface HumanTaskManagerService article in the Information Center.
文章的这个部分，使用几个例子，解释了怎样操作自定义查询。
This section of the article will use several examples to demonstrate how query modification can be implemented.
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