Listing 11. A db4o native query.
清单11.db4o原生查询。
Clients adopt native query, which improves reflection speed of the system.
客户端采取本地数据库查询，提高了系统响应速度。
Native query enables you to define a native query based on staff plug-in provider specific parameters.
Native Query可让您基于人员插件提供程序特定参数定义本机查询。
Native queries provide a powerful way to execute complex queries without having to learn a new query language or resort to complicated object structures to model a predicate.
原生查询为执行复杂查询提供了一种功能强大的方法，而且不需要学习新的查询语言或使用复杂对象结构对谓词建模。
This query returns the English version of the first paragraph of each book, even if that book has non-ASCII characters in the "native" first paragraph.
这个查询返回每本书第一段的英文版本，即使那本书在“本地”的第一段中含有非ascii字符也是如此。
For example, you might want to verify that a native database application opened a connection, executed a query, and then closed the connection.
例如，您可能会想要验证本地数据库应用程序是否打开了连接、执行了查询，并随后关闭了此连接。
This can be seen by examining the native SQL of such a query.
这一点可以通过查看这样一个查询的原生SQL看出。
Now that you've learned how to store XML data using DB2's native XML capabilities, you're ready to query that data.
现在您已经了解了如何使用DB2的原生xML功能存储XML数据，可以开始查询这些数据了。
Now, when the same query is run, the native SQL that is generated is a single select statement joining the two tables from the different catalogs at the database tier as shown in Illustration 10.
现在，当同一个查询运行时，生成的原生sQL是单个选择语句，在语句在数据库层联接来自不同目录的两个表，如图10所示。
The need to query multiple documents explains the design of XQuery, the developing query language for native XML documents, which is in turn based on XPath 2.
查询多个文档的需要解释了设计XQuery的原因，这种正在开发之中的原生xml文档查询语言以XPath 2为基础。
However, when dealing with very large data sets, you can further improve the query response times of a native XML database by following a few general common sense guidelines.
但是，在处理超大型数据集时，您还可以通过遵循以下一般原则进一步改善原生xml数据库的查询响应时间。
Its native XML data type is easy to query with SQL and W3C-standard XQuery.
使用SQL和W3C标准的XQuery对其原生xml数据类型进行查询非常简单。
Those objects on the server can then deal with its native data types as arguments, query a database from those arguments, and return its native data types as values.
而该服务器上的那些对象随后就可以作为参数处理原生数据类型、从这些参数查询数据库并作为值返回其原生数据类型。
Query tables in conjunction with materialized views perform well, but they use native database joins to retrieve the related records.
将查询表与物化视图结合使用会带来很好的性能，但是它们使用本机数据库联接来检索相关记录。
DB2 9 supports XML data in its native format and offers various options to query data.
DB 29支持原生格式的XML数据，并为查询数据提供各种选项。
In many cases, a native XML database can evaluate an XQuery or XPath expression and resolve the query directly from the indexes, without ever having to retrieve a document.
在很多情况下，原生xml数据库都能够计算XQuery或XPath表达式并从索引直接处理查询，无需检索任何文档。
Most important, many problems are much easier to solve with a native XML database and XQuery than with a relational database and Structured Query Language (SQL).
最重要的是，和关系数据库以及结构化查询语言(SQL)相比，使用原生xml数据库和XQuery将更容易解决众多问题。
Using XQuery (a functional language designed to query collections of XML data) with native XML database systems can be extremely useful in some situations.
在某些情况下，在原生XML数据库系统中使用XQuery（一种用于查询 XML数据集合的函数型语言）可能非常有用。
My query seemed to have bothered him, because he immediately began shaking his fists over his head and shouting at me unintelligibly in his native tongue.
我的询问好像使他非常生气，因为他马上握紧拳头在头上晃了晃，还用土语对我含糊不清地说了一句什么。
The current native XML storage schemes are mostly concerned with query processing and rarely involve the support of data update.
目前的原生XML存储方案大多关注于查询处理而很少涉及对数据更新的支持。
A native XML storage scheme is directly related to query processing and data update.
原生xml存储方案直接关系到查询处理和数据更新。
A native XML storage scheme is directly related to query processing and data update.
原生xml存储方案直接关系到查询处理和数据更新。
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