那里有一个对象关系映射程序，它是一块隐藏的宝石。
There is an object relational mapper out there that is a hidden gem.
冗长乏味的JDBC开发导致对象关系映射(ORM)框架的诞生，该框架提供一个数据访问抽象层。
The tedium of JDBC development led to the creation of the object relational mapping (ORM) framework, which provides a data access abstraction layer.
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。
JPA is a simplified programming model used for object relational mapping and data persistence.
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。
Either way, you have to write or generate code to do the object-relational mapping.
对象关系映射(ORM)解决方案在当今企业应用中广为使用。
Object Relational Mapping (ORM) solutions are widely used in today's enterprise applications.
考虑这样一个示例：DBA知道问题根源是查询的性能较差，但此查询是由框架生成的，使用了对象关系映射技术。
Consider an example where a DBA knows the problem is a poor-performing query, but that query was generated by a framework, using an object-relational mapping technology.
JPA 2.0主要关注的是所支持的功能，这些功能是目前在各种对象关系映射供应商中提供的，而不是 JPA 1.0中提供的。
The main focus of JPA 2.0 is to provide function that is currently provided disparately across various object relational mapping vendors but was not provided in JPA 1.0.
从过去的支持问题中，您注意到许多急切的客户电话都与错误的JVM版本和错误的对象关系映射(ORM)所导致的问题有关。
Learning from past support issues, you've noticed that you receive many frantic customer calls related to a problem stemming from incorrect JVM versions and incorrect object-relational mapping (ORM).
为了应对可能的这种情况，如果在此事务策略中使用对象关系映射(ORM)框架，则应确保使用了版本验证功能。
To deal with this possibility, make sure you use versioning if you are using an object-relational mapping (ORM) framework with this transaction strategy.
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。
Gone are the days of writing your own object-relational mapping (ORM), logging, or testing framework.
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。
Object-relational mapping is the best solution when you have a legacy schema, perhaps not defined with an object model in mind.
不幸的是，我们因此不能重用在 EJB2CMPORM 中使用的代码，所以我们需要手动地编写用于JDBC查询的对象关系映射。
Unfortunately, because of this, we could not reuse the code we were using from EJB2 CMP ORM, so we needed to manually code the object-relational mapping for the JDBC queries.
当涉及到对象关系映射时，Hibernate是非常好的工具，但是在连接管理以及事务管理方面，它却缺乏必要的性能和能力。
Hibernate is very good tool when it comes to object relational mapping, but in terms of connection management and transaction management, it is lacking in performance and capabilities.
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。
Simplicity is the biggest advantage of SQL Maps over other frameworks and object relational mapping tools.
当您仅仅想要使用Hibernate对象关系映射组件时使用。
Use when you only want to use the Hibernate object relational mapping component.
幸运的是，我们可以将Hibernate的对象关系映射与WebSphereApplicationServer的连接和事务管理结合起来，创建强大的应用程序。
Fortunately, we can mix Hibernate's object relational mapping with the connection and transaction management of WebSphere application Server to create very powerful application.
本文假设您熟悉EJB 3.0基本概念和对象关系(OR)映射基本概念。(若需了解这两个主题的更多信息，请参阅参考资料)。
This article assumes that you're familiar with basic EJB 3.0 and object-relational (or) mapping concepts (see Resources for more information on both subjects).
Rails使用activerecord库处理数据库访问及数据库表与Ruby对象模型之间的对象关系映射。
Rails USES the ActiveRecord library to handle database access and object-relational mapping between database tables and Ruby object models.
Session对象为程序员提供了一个临时的存储层，它非常像传统的对象关系映射工具中可以看到的层，而且还可以将它看作到特定工作区的连接。
The Session object provides the programmer with a transient storage layer, much like those found in traditional object-relational mapping tools, and also serves as a link to a particular workspace.
可以肯定地说，它没有提供插装的供应，并且不使用任何种类的对象关系映射(object - relational mapping, OR m)框架。
Suffice it to say that it has no provision for instrumentation and it does not use any sort of object-relational mapping (ORM) framework.
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。
Rails will never be a tool for enterprise integration, object-relational mapping, or full-stack Web services.
对象-关系映射(ORM)案例场景。
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。
Hibernate is one of most popular object-relational mapping (ORM) engines providing data persistence and query services.
对象Contact是模型所提供的ActiveRecord对象-关系映射。
The object Contact is the ActiveRecord object-relational mapping that the model provides.
ActiveRecord是遵照了标准的or m模型的对象关系映射(object - relational mapping,ORM)。
Active Record is an object-relational mapping (ORM) that follows a standard ORM model.
为对象-关系映射创建XM l元数据。
通过利用RailsActiveRecord类的对象-关系映射代码，这是可以实现的，该类是所有模型的基类（包括patient 类）。
That is possible by leveraging the object-relational mapping code in Rails's ActiveRecord class that is the base class for all models (including your patient class.
对象—关系映射技术允许您将关系数据库映射为对象。
The object relational mapping technology lets you map relational databases to objects.
“自下而上”方法假设已经有数据库表模式，而需要根据表模式开发一个对象层和对象关系映射。
The “bottom up" approach assumes you already have database table schema and need to develop an object layer and object relational mapping from the table schema.
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。
Please note that this article will not go into the general topic of object-relational mapping.
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