The data that is contained in an MQT is derived from one or more tables on which the materialized query table definition is based.
包含在物化查询表中的数据来自定义物化查询表时所基于的一个或多个表。
The resulting query plans are based on data, rather than heuristics, and are thus extremely efficient.
生成的查询计划基于数据，而不是推断，因此非常高效。
It allows for a query that returns formatted XML, based on a regular table (in our case, with our Census data and schema).
可以使用这个特性查询一个常规表并返回经过格式化的XML(在这里，使用人口普查数据和模式)。
YQL is basically a query language based on SQL that lets you query and retrieve structured data from multiple services in a standard way.
YQL基本上就是一种基于SQL的查询语言，允许以标准的方式从多个服务中查询和检索结构化数据。
The query is somewhat complex but provides a realistic example of how someone can return multiple portions of XML data (for example, multiple XML nodes) and restrict results based on an XML predicate.
此查询比较复杂，但是更加真实；它演示如何返回XML数据的多个部分（例如多个 XML节点）并根据 XML 谓词限制结果。
Statistical profiles are then generated based on the data in the query feedback warehouse.
然后，基于查询反馈仓库中的数据生成统计配置文件。
Although this procedure is quite simple, it helps you understand how to generate SQL-based procedures that query and return XML data using built-in wizards.
尽管该过程非常简单，但是也能帮助您理解如何使用内置向导生成基于SQL的过程来查询并返回XML数据。
Additional scripts test the implemented mechanisms on the provided sample data and show an example of a distance-based query, complete with map images.
其他脚本在提供的数据示例上测试实现的机制，并给出一个基于距离的查询示例，而且与地图图像结合在一起。
The code as presented above will enable you to efficiently query structured data, such as LDAP-based employee information, quickly.
上面所示的代码使您可以高效快速地查询结构化数据（例如基于LDAP 的员工信息）。
An Enterprise service Bus (ESB) performs a dynamic query of the repository to determine routing based upon meta-data associated with its SOA environment service components.
企业服务总线对资源仓库执行动态查询，基于与SOA环境服务部件相关的元数据来决定路由。
The query examples in the next section are based off of the sample data shown in Table 1.
下一节中的查询示例将以表1中展示的样例数据为基础。
DB2 UDB comes with a powerful cost-based query optimizer that determines the best strategy to access data.
DB 2 UDb中包含了一个功能强大基于成本的查询优化器，用于确定访问数据的最佳策略。
To allow a user to retrieve only specific data based on their logon information, we can use the following expression in the Query Subject filter.
要基于用户登录信息限制用户只能检索特定数据，可以在QuerySubject过滤器中使用以下表达式。
Limited data in Query Studio is made possible by metadata modellers implementing Design filters, which limits the rows retrieved from the data source based on the filters.
QueryStudio中的限制数据是由元数据建模器实现的DesignFilters产生的，它限制了基于过滤从数据源检索出的行数。
For this example, create 3 reports all based on the GO Data Warehouse (query) package.
在这个例子中，我们要基于GODataWarehouse (query)包创建3个报表。
In a third scenario, a set of data services was made available from the RMS platform that provided a way for MyCareTeam to query using standards-based Web services and to retrieve the HL7 PHMR.
在第三个场景中，可以从RMS平台使用一组数据服务，它使My CareTeam能够使用基于标准的Web服务进行查询和获取HL7PHMR。
Based of the research of XML database principle, the method of storage and query about XML data is discussed.
在研究XML数据库原理的基础上，探讨了XML数据存储和查询的方法。
Programmers can now search for data using SQL or XQuery, a new query language that supports navigational (or path-based) expressions.
程序员现在可以使用SQL或XQuery搜索数据，XQuery 是一种新的查询语言，支持导航（即基于路径的）表达式。
XQuery offers a solution to assist OLAP by providing a query-based link between multiple data warehouses.
XQuery提供了一种解决方案，通过在多个数据仓库之间建立基于查询的连接来帮助OLAP。
When using OLAP or DMR-based packages, reports with expressions that compare values with different data types will produce the following error in Dynamic Query mode.
使用基于olap或dmr的包时，如果报告包含比较不同数据类型的值的表达式，那么以dynamicQueryMode执行报告将生成以下错误消息。
Data Studio provides an integrated query builder and can give context-based assistance (as seen in Figure 3) while typing the statement.
在输入语句时，DataStudio提供了一个集成的查询构建器，并且提供基于上下文的帮助(如图3所示)。
A large amount of memories are consumed during dense data querying. A query processing algorithm based on XML stream is designed.
针对密集型数据查询要消耗大量内存的缺陷，设计了一种基于流的XM L文档查询算法。
Aiming at synopsis computation of approximate query in data stream, a novel wavelet transformation algorithm, Minimum Error based Dimension Compression (MEDC) algorithm, is proposed in this paper.
针对数据流上近似查询中的梗概计算，提出了一种新的基于最小误差的维压缩小波变换算法(MEDC)。
The module of custom interface realized customizing data collection interface, view interface, query interface dynamically in the program's running time based onthe database structure.
定制界面模块主要实现根据库表结构在程序运行时动态生成数据的采集、浏览和查询界面。
Based on the query pattern and the real query parameters, it developed two intelligent prefetch algorithms to fit two kinds of demand in data query.
基于这些模板和参数，提出了两种智能预取算法以适应两类不同的数据查询需求。
RDBMS is based on firm mathematics set theory with simple and clear data structure, and powerful query function, so it has become the basic technology for realization of information system.
因为RDBMS是建立在严格的数学集合论基础上的，数据结构简单、清晰，具有强大的查询能力，RDBMS成为实现信息系统的基本技术。
The warning system based on the way can not only offer real time alarm but also record the alarm information and data stream for query afterward.
以此方法开发的报警系统可根据报警等级的不同实时报警，记录报警信息以及报警前后数据流；
For the realization of information fast query, the reasoning method of 4d product information data based on hypergraph is advanced.
为实现信息的快速查询，提出了基于超图数据结构的产品4d信息数据的推理方法。
By designing and compiling interface application driving program, the interrupt and query schemes of data transmission based on PCI bus are realized.
并通过设计和编写接口应用驱动程序，实现了基于PCI总线方式下数据传输的中断和查询两种方案。
Through analyzing query methods in order to data of report in the information system, it puts forward a kind of query mode based on the database, and it is design of report.
文章分析研究了为报表提供数据的查询方法，提出了一种基于数据库应用的通用查询模式，以及应用复杂报表的设计。
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