Object-relational mapping for creating models
用于创建模型的对象关系映射
An object-relational mapping (ORM) case scenario.
对象-关系映射(ORM)案例场景。
ActiveRecord is not a full object relational mapping layer.
ActiveRecord并非全对象关系型映射层。
Investigate development tool for object to relational mapping.
调查用于对象到关系映射的开发工具。
Create the XML metadata for the object-relational mapping.
为对象-关系映射创建XM l元数据。
The JPA simplifies object relational mapping and data persistence.
jpa简化了对象关系性映射和数据持续性。
Needed the object-relational mapping possible through CMP beans.
需要通过CMP组件来实现与对象有关的映射。
The sample data flow needs two XML Relational Mapping operators.
示例数据流需要两个XMLRelational Mapping操作符。
Need only simple object to relational mapping capabilities, specifically
只需简单的对象到关系的映射功能，特别是
Use when you only want to use the Hibernate object relational mapping component.
当您仅仅想要使用Hibernate对象关系映射组件时使用。
See Resources for more information on issues around object-relational mapping.
有关对象关系映射的问题的更多信息，请参见参考资料。
Complete the following steps to add the second XML Relational Mapping operator.
完成以下步骤，添加第二个XMLRelational mapping操作符。
The first technique is to use some kind of XML-to-relational mapping technology.
第一种技术是使用某种 XML 关系映射技术。
The object relational mapping technology lets you map relational databases to objects.
对象—关系映射技术允许您将关系数据库映射为对象。
Either way, you have to write or generate code to do the object-relational mapping.
无论采取哪种方式，都必须编写或生成代码来进行对象关系映射。
Active Record is an object-relational mapping (ORM) that follows a standard ORM model.
ActiveRecord是遵照了标准的or m模型的对象关系映射(object - relational mapping,ORM)。
The object Contact is the ActiveRecord object-relational mapping that the model provides.
对象Contact是模型所提供的ActiveRecord对象-关系映射。
JPA is a simplified programming model used for object relational mapping and data persistence.
JPA是一个用于对象关系映射以及数据支持的简化程序模型。
Object Relational Mapping (ORM) solutions are widely used in today's enterprise applications.
对象关系映射(ORM)解决方案在当今企业应用中广为使用。
Please note that this article will not go into the general topic of object-relational mapping.
请注意，本文将不深入讨论对象-关系映射这一一般性的主题。
Gone are the days of writing your own object-relational mapping (ORM), logging, or testing framework.
手动编写对象关系映射(ORM)、日志或测试框架的时代已经一去不复返。
Simplicity is the biggest advantage of SQL Maps over other frameworks and object relational mapping tools.
简单性是SQLMaps 优于其他框架和对象关系映射工具的最大优点。
Most object-relational mapping frameworks introduce redundancy into your software (no, not the good kind).
大多数面向关系的映射框架都会为你的软件（不，不是指优秀的软件）带来一些冗余。
Rails will never be a tool for enterprise integration, object-relational mapping, or full-stack Web services.
Rails将永远不会成为用于企业集成、对象关系映射或全堆栈web服务的工具。
The service persists order information in a relational database using an object-relational mapping framework.
服务使用ORM框架将订单信息持久化到关系数据库里。
Edit the XML Relational Mapping operator, deleting all column definitions except those required by the target table.
编辑XMLRelational mapping操作符，删除目标表不需要的所有列定义。
Hibernate is one of most popular object-relational mapping (ORM) engines providing data persistence and query services.
Hibernate是最流行的对象关系映射(ORM)引擎之一，它提供了数据持久化和查询服务。
Object-relational mapping is the best solution when you have a legacy schema, perhaps not defined with an object model in mind.
对象关系映射是使用遗留模式(可能定义时没有考虑对象模型)时的最佳解决方案。
Map the appropriate source columns from the XML Relational Mapping operator to the target columns of the table, as shown in Figure 22.
将来自xmlRelational mapping操作符的适当的源列映射到该表的目标列，如图22所示。
Because symfony USES Propel to provide Object Relational Mapping, you need to generate the model with the symfony command-line utility.
由于symfony将使用Propel来提供对象关系映射(Object Relational Mapping)，因此需要用symfony命令行实用程序来生成模型。
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