如果想了解2020年世界中学运动会的情况，你可以上网查询。
You can surf the Internet if you want to know about the 2020 World Middle School Games.
这非常适合查询XML数据库。
整合查询以提升数据质量和性能。
Consolidate queries to improve data quality and performance.
研究结果届时可供在线查询。
这是一个简单的界面：输入您的查询，查看结果。
It's a simple interface: type in your query, see the results.
索引能够避免全表扫描，从而能够提高查询性能。
Indexes improve query performance by avoiding a full table scan.
维度建模有助于优化数据仓库的查询与分析。
Dimensional modeling helps us optimize our warehouse data for queries and analysis.
测试结果会为你自动保存，以便日后可以方便查询。
The test results are automatically saved for you to refer back to at a later time.
XQuery快速成为查询XML文档的行业标准。
XQuery has quickly become the industry standard for querying XML documents.
与手动查询数据相比，使用视图具有明显的性能优势。
Using views gives you clear performance gains over querying the data manually.
它还提供了帮助用户进一步优化他们查询的工具。
It also provides tools to help users further refine their queries.
尝试各种查询和查询变种以了解系统如何运行。
Try different queries and variations on those queries to get a feel for how the system works.
幸运的是，学习如何查询包含名称空间的XML文档并不难。
Fortunately, it's not hard to learn how to query XML documents that contain namespaces.
这些函数有助于促进代码重用，简化查询的开发和维护。
Such functions encourage code reuse and simplify the development and maintenance of queries.
您将发现这个方便的实用程序可用于调试问题和提高查询性能。
You'll find this a handy utility for debugging problems and improving query performance.
这个建议器根据最佳实践为重写查询提供建议，帮助提高效率。
This advisor makes recommendations on how to rewrite a query to enhance efficiency based on bestpractice rules.
这样，它就使开发人员能够更轻松地调用和使用查询调优功能。
This makes it easier for developers to invoke and use query tuning capabilities.
你能很轻松的在电子书里查询信息，不用一页一页的翻书。
You can easily search for any information in an ebook, instead of turning page after page.
最后，您将了解如何对查询进行分析以优化数据库的性能。
Finally, you'll see how you can profile your queries to optimize the performance of your database.
当有人输入了一个搜索查询，你就拥有了他们解决问题的机会。
When someone types in a search query, they're giving you the opportunity to solve their problem.
我们的目标很简单：尽快地给人们提供最相关的查询答案。
Our goal is simple: to give people the most relevant answers to their queries as quickly as possible.
“查询工作负载调优使我们更加主动，而不是被动的，”他说。
“Query workload tuning makes us proactive, not reactive,” he says.
在比较大的集合上进行复杂的查询让您有时间去煮一杯咖啡。
Complex queries over moderately large collections give you enough time to brew a cup of coffee.
在性能测试过程中能够快速更改查询可以大大缩短测试周期。
Being able to change queries quickly during performance testing can drastically reduce test cycles.
Grails为你所能想到的每个查询组合自动提供动态查找器！
Grails automatically provides dynamic finders for just about every query combination you can think of!
当然，学习SPARQL的最好方法是编写一些自己的查询。
Of course, the best way to learn about SPARQL is by writing some queries of your own.
这种方法让这些查询在您的应用软件中具有很高的可重用性。
This approach makes these queries highly reusable in your applications.
准确的索引信息和统计信息是查询优化器中基于成本的决策的基础。
Accurate index information and statistics are fundamental to cost-based decisions in the query optimizer.
系统用户已注意到，团队能够迅速识别并解决性能低下的查询。
System users have noticed the team's ability to identify and resolve poorly performing queries quickly.
系统用户已注意到，团队能够迅速识别并解决性能低下的查询。
System users have noticed the team's ability to identify and resolve poorly performing queries quickly.
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