对象-关系映射(ORM)案例场景。
为对象-关系映射创建XM l元数据。
为什么要写有关对象-关系数据库之间的映射的文章呢？
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.
并且还进一步提到可以是任何类型的数据库：关系(对象-关系)或非关系的。
It goes further by mentioning that it could be any type of database: relational (object-relational) or non-relational.
可以将XMLBeans看作对象-关系(OR)映射器，但这是针对XML文件而非关系数据库而言的。
You can think of XMLBeans as an object-relational (or) mapper — but for XML files rather than relational databases.
使对象-关系数据库之间的映射成功的一个秘诀就是理解这两种范例和它们的差异，然后基于这些认识来进行明智的取舍。
One of the secrets of success for mapping objects to relational databases is to understand both paradigms and their differences, and then make intelligent trade-offs based on that knowledge.
JPA规定对象关系是用持久化特性装饰的。
JPA prescribes that object relationships be decorated with persistence qualities.
如果没有坚实的面向对象设计基础，我们很快就会迷失在对象、关系和类的世界里。
Without a solid background on object oriented design, we can quickly get lost in a world of objects, relations and classes.
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.
弱化CIM层是核心CIM层的扩展，它提供了更多的属性、对象、关系和接口。
The weaker CIM is an extension of the core CIM layer providing additional attributes, objects, relationships and interfaces.
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.
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.
除了访问原始属性外，多数sdo应用程序还需要上下导航父子数据对象关系(例如，在联系人和地址之间导航)。
In addition to accessing primitive properties, most SDO applications also require navigation up and down parent-child data object relationships (between contact and address, for example).
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.
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.
用户能听到UI上的更多内容，如页面结构或对象关系。
Users can hear more information on the UI, such as the structure of the page or the relationship of the objects.
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).
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.
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.
对象关系映射程序对于某些类型的应用程序是重量级的。
Object relational mappers are heavyweight for certain types of applications.
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.
它不将文档存储为纯文本，也不将XML映射到关系或对象关系表。
It does not store documents as plain text and does not map XML to relational or object-relational tables.
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.
把XML映射到对象关系的结构化存储
DoctrineOR m包：下载这个用于PHP的对象关系映射器。
The Doctrine ORM package: Download this object relational mapper for PHP.
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.
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.
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