This is accomplished by using a composite key.
使用复合索引键便可完成这项定义。
This duplication is required to create the composite key.
这样的重复是创建组合键所必需的。
This is where the composite key is defined with nested @AttributeOverrides annotations.
组合键就是在这里使用嵌套 @AttributeOverrides注释定义的。
If the join key is a composite key, each key column must be prefixed with the PRIOR operator.
如果联接键是一个复合键，那么必须使用PRIOR运算符为每个键所在的列加上前缀。
The composite key defined in listings 1 and 2 allows you to bundle a number of columns together.
清单1和清单2中定义的组合键允许您将多个列绑定在一起。
These annotations are used to define the composite key columns: "STREET" and "CITY" respectively.
这些注释用于定义组合键列：分别是“STREET”和“CITY”。
Next up in Listing 2 is the @IdClass annotation, which defines the composite key class reference.
清单2中的下一个注释是 @IdClass，它定义组合键类引用。
A business object could be identified by more than one of its properties, which is called a composite key.
可以使用其多个属性对业务对象进行标识，这称为组合键。
You create a composite key as an anonymous type or named typed with the values that you want to compare.
您会将复合索引键建立成匿名型别，或是包含要比较之值的具名型别。
Composite keys are sometimes used because the choice of key relates in some way to the end-user business domain.
某些时候使用组合键的原因是所选键在某些方面与最终用户的业务领域相关联。
To uniquely represent a dimension using identifiers from an operational system, you sometimes need to use a composite key.
为了使用操作系统中的标识符惟一地表示维度，您有时需要使用一个复合键。
Shenyang Metro East sub-machine composite mill, built in 2003, is specialized in production of bimetal composite key enterprises.
沈阳市新城子东机复合板厂，始建于2003年是我国专业生产双金属复合材料的骨干企业。
To define a composite key, you simply take some attributes from the domain and combine them to provide the required degree of row uniqueness.
要定义组合键，只需从该领域中选择一些属性，并将其组合在一起，提供所需的行唯一性程度。
Composite applications are a key tool in implementing meaningful business value within a SOA.
组合应用程序是在SOA中实现有意义的业务价值的关键工具。
The key here is that we want to decompose the functionality in our visitors into smaller pieces and then recombine them to build composite functionality.
此处的关键在于，我们希望将访问者中的功能分解为多个较小的片段，随后重新组合它们来构建复合功能。
This tip starts with a simple description of the problem: defining a composite database key.
本技巧从问题的简单的描述开始：定义组合数据库键。
The ability to do end-to-end authentication and authorization is key to doing real distributed, multi-org composite apps.
有能力完成端到端的认证和授权是进行真正的分布式、跨组织组合应用的关键所在。
A special case of a composite role is where a business object can only be uniquely identified when combining its key attribute with its parent's key attribute.
组合角色一个特殊情况是，业务对象只能通过将其键属性与父级的键属性进行组合来唯一标识。
Multiple attributes in the entity may be combined to form a composite primary key.
实体中的多个属性可以组合成一个复合的主键。
Note that the dynamic recomposition in terms of building composite applications out of existing services is key.
请注意，由现有的服务构建复合应用程序来动态重组是关键。
Listing 7 combines the two preceding queries, using the ISBN key as the common denominator, to produce a composite result containing book titles, authors, images, prices, and sales ranks.
清单7以isbn键作为公分母组合前面两个查询，以便产生包含图书标题、作者、图像、价格以及销售队伍的复合结果。
Composite applications are a key element in a Service Oriented Architecture (SOA) and contextual collaboration strategy.
复合应用程序是面向服务体系结构(Service Oriented Architecture,SOA)和上下文协作策略中的关键元素。
A key advantage of a composite application architecture is integration with other applications, both Lotus Notes applications and other applications.
复合应用程序的主要优点是可以与其他应用程序(LotusNotes应用程序和其他应用程序)集成。
You need to supplement it with some additional cookies to make a composite cache key.
需要加上一些额外的cookie，形成复合的缓存键。
You can see that the primary key is indeed a composite made up of the street and city fields.
可以看到，主键实际上是由street和city字段组合而成的。
A key component of this guidance is the composite application library, a library useful to create composite WPF applications.
该指导包中一个很重要的组成部分是CompositeApplicationLibrary，一个创建复合wpf应用程序非常有用的类库。
The key thing is that this port wiring code is regular and can be automatically generated, based on the connections defined on the composite structure diagram.
关键之处在于，该端口接线代码是规则的，并且可以基于在组合结构图上定义的链接来自动生成。
The composite application architecture enables your company to combine multiple technologies into a single application, bringing key application capability within easy reach of your users.
复合应用程序体系结构使我们能够将几种技术组合成一个应用程序，轻松地向用户提供关键的应用程序功能。
You can adjust the primary-key creation strategy or even specify a composite primary key.
可以调整主键的生成策略，甚至指定复合主键。
When you're finished with this course, you'll not only have a completed green screen composite, but you'll also have the knowledge and skills needed to key any basic green screen image in the future.
当你完成这门课程，你不仅有一个完整的绿色屏幕复合材料，但你也有知识和技能，关键的任何基本的绿色屏幕图像在未来。
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