Therefore, DB2 as a proven relational engine with a cutting-edge optimizer is insufficiently exploited.
因此，虽然已经证明DB 2是带有最前沿优化器的关系引擎，但它并没有得到充分利用。
Now, DB2 has introduced an optimized data storage engine for XML data alongside the existing relational engine.
现在，DB 2引入了优化的数据存储引擎，以便与现有关系引擎一起支持XML数据。
Now, DB2 has introduced an optimized data storage engine for XML data alongside its existing relational engine.
现在，DB2在它已有的关系引擎的基础上，更是引入了一种用于XML数据优化的数据存储引擎。
The Entity Framework also includes a powerful mapping engine that allows developers to map the EDM schema to a relational database for actual storage.
NET实体框架还提供了一个强大的映射机制，让开发者能够很容易 地将EDM架构和实际的关系型数据库映射起来。
As I mentioned, Hibernate can't be used (mainly because with the App Engine you don't have a relational database).
如前所述，Hibernate就不受支持(主要是因为使用AppEngine时，您无法拥有关系数据库)。
It provides a DB2 relational model for the remote data and assists the federated engine in query processing by sending sub-queries to the remote data source.
它提供了远程数据的DB 2关系模型，并通过向远程数据源发送子查询以帮助联邦引擎实现查询处理。
Another benefit of the move to DB2 9 is the hybrid storage engine and a query optimizer that "understands" XML (mapping to relational algebra for queries involving XML).
迁移到DB 29的另一个好处是，混合型存储引擎和查询优化器“理解”XML，可以把涉及XML的查询映射为关系语法。
DB2 Everyplace sync Server and ISync provide a powerful out-of-the-box engine to synchronize relational data.
DB 2EveryplaceSyncServer和ISync提供了一个用于同步关系数据的强大的开箱即用引擎。
For example, early attempts at storing XML data in varchar2 fields of a relational database resulted in poor query performance when an XQuery engine was simply layered on top.
比如，最初曾经尝试将XML数据保存在关系数据库的varchar2字段中，然后简单地增加一个XQuery引擎层，结果查询性能很差。
Because we are using Hibernate as our provider, we cannot choose a non-relational database like Google App Engine.
因为我们使用Hibernate作为我们的提供者，我们不能选择非关系型数据库，比如GoogleApp Engine。
The XML Integrator (XI) Engine is a tool for converting data between XML and structured data formats such as relational or LDAP data.
XML 集成器（XML Integrator，XI）引擎是一个用于在 XML和结构化数据格式（如关系数据或LDAP 数据）之间进行数据转换的工具。
Ning is similar to the Google App Engine in that it provides a data-store API instead of a relational database.
与GoogleAppEngine相似，Ning提供一个数据存储api而不是关系数据库。
The major difference compared to the script based installations is that the MSI installation engine is a relational database engine.
主要的分别比基础设施的脚本是，MSI安装引擎是一个关系数据库引擎。
Cartographer is a simple, efficient object relational mapper engine. It provides rapid access to relational data using lightweight data and factory Java objects.
这是个简单、效的对象-关系映射工具。它使用轻量级数据和工厂对象实现对关系数据的快速访问。
The system model, analyzes relational value of concentration of various elements in oil, which is used to conclude engine condition and elemental grouping.
系统模型用该方法分析油液中各元素的浓度关联度，从而判别发动机的工况和元素分组。
Cartographer is a simple, efficient object relational mapper engine.
这是个简单、效的对象-关系映射工具。
In order to improve the accuracy of aero-engine component fault diagnosis ability, a method of two layers fault diagnosis based on gray relational analysis was proposed.
为了改善对航空发动机气路部件故障诊断能力，提出了一种基于灰色关联分析的两层诊断方法。
In order to improve the accuracy of aero-engine component fault diagnosis ability, a method of two layers fault diagnosis based on gray relational analysis was proposed.
为了改善对航空发动机气路部件故障诊断能力，提出了一种基于灰色关联分析的两层诊断方法。
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