一对多关系

在实际应用程序中，它能够轻松使用数十个关系表来代表原始XML结构中的全部一对多关系。

In real-world applications , it can easily take several dozen relational tables to represent all one-to-many relationships in the original XML structure .

如果要在Airline类中设置额外的一对多关系，那么可以将逗号分隔的键/值对放在方括号内。

If you want to set up additional one-to-many relationships with the Airline class , you can put a comma-delimited list of key / value pairs inside the square brackets .

在Web上实现一对多关系的动态数据绑定

Realize to Bind Dynamic Data with Relation of One to Many on Web

这样，我在account与它们的各种location之间设置了一对多关系。

In this way , I set up a one-to-many relationship between accounts and their various locations .

具有一对多关系的实体bean使用Java集合来表示多的那一端。

With one-to-many relationships , an entity bean uses a Java collection to represent the many side .

例如，考虑用来表示图书馆库存的类Library和类Book之间的一对多关系。

For example , consider a one-to-many relationship between the class Library and the class Book used to represent the inventory held by a library .

1，这说明Band具有与Song的一对多关系且这种关系被称作catalog。

1 , indicating that the Band has a one-to-many relationship with Song and that this relationship is called a catalog .

为了解决Web应用中的数据访问，尤其是网络应用中所涉及到的一对多关系的数据处理，文中介绍了ADO。

In order to solve the session of data accessing on the Web , especially in dealing with one to many data involved in the Internet application , discuss the property and architecture of ADO .

结果证明，用DataGrid控件就能很好地在Web上实现一对多关系的动态数据绑定。

The conclusion of this article proved that using DataGrid control can realize to bind the dynamic data with the relation of one to many on the Web .

我将首先介绍什么是对象关系映射器（object-relationalmapper，ORM），以及如何创建一对多关系。

I 'll start by describing what an object-relational mapper ( ORM ) is and how to create a one-to-many relationship .

DEBA组件可以互相建立点对点关系、一对多关系，或者多对多关系。

DEBA component can establish peer-to-peer , one-to-many , or many-to-many relationships with one another .

该行看起来与一对多关系中使用的belongsTo变量类似。

This line looks similar to the belongsTo variable used in one-to-many relationships .

“精通Grails：GORM-有趣的名称，严肃的技术”向您介绍了GORM的基础知识，包括简单的一对多关系。

In " GORM : Funny name , serious technology ," you were introduced to the basics of GORM , including simple one-to-many relationships .

它还可以对一对多关系中的消息进行聚合和反聚合。

It may also aggregate and disaggregate messages in a one-to-many relationship .

拆分为三个分支的连接线，表示一对多关系。

Connecter that splits into three branches , showing a one-to-many relationship .

在比较高级语言和机器语言时，一对多关系是什么意思？

What is meant by a one-to-many relationship when comparing a high-level language to machine language ?

这称为一对多关系：一个航线能够与多个旅行关联。

This is called a one-to-many relationship : one airline can have many trips associated with it .

在一对多关系中，一个语句会展开为多条汇编或机器指令。

In a one-to-many relationship , a single statement expands into multiple assembly language or machine instructions .

每项用户订阅可以包括一些偏好的主题（例如一对多关系）。

Each user subscription can include a few preferred subjects ( for example , a one-to-many relationship ) .

主要介绍了在一对多关系的表连接中经常遇到的错误或潜在的性能问题；

Mainly discusses the errors and the latent function problems that people often meet in one table joining with more ;

表具有一对多关系：每个出版商出品很多书，但每本书只出自一个出版商。

Tables have a one-to-many relationship : each publisher produces many titles , but each title comes from only one publisher .

在关系数据库系统中的数据组织可以很方便地实现一对多关系，但难于实现多对多关系。

While the one_to _more relationship can be conveniently realized in the data structure of relational database system , the one_to_more is hard .

由于任务空间的位姿变量和关节空间的关节变量具有一对多关系，因此重点解决逆运动学算法的实时性和稳定性问题。

Because the one-to-many relationship of variable in task space and joint space , stability and real-time performance of inverse kinematics are focused on .

您定义了与“订单”表之间的一对多关系，该关系指定“客户”表中的一个记录可以与“订单”表中的多个记录相关。

You have defined a one-to-many relationship with the orders table that specifies that one record in the customers table can be related to many records in the orders table .

单击位于一对多关系的“一”端的表旁边的加号，然后将您需要的第一个字段拖动到窗体上。

Click the plus sign next to the table that is on the " one " side of the one-to-many relationship , and then drag the first field that you want onto the form .

正如您所见，User和Entry之间存在着一对多的关系。

And as you can see , a one-to-many relationship exists between User and Entry .

采用分布式文件系统后，服务器之间的数据访问不再是一对多的关系（1个NFS服务器，多个NFS客户端），而是多对多的关系。

In distributed file systems , data is no longer a one-to-many relationship , but many to many relationship .

刚才已经提到，联系人中地址包容的二元关系由关系型DAS假定为一对多的关系。

As mentioned , the cardinality of the address containment within a contact is assumed by the Relational DAS to be one-to-many .

然而，检查该模式的Region定义时，其maxOccurs为“unbounded”，您可以看到，PostalAddress与Region之间实际上存在一对多的关系。

However , upon examining the Schema â™ s definition of Region , with its maxOccurs of " unbounded ", you can see that a one-to-many relationship in fact does exist between PostalAddress and Region .

如要创建子列表，记录集必须有一对多的关系。

To create a sublist , the recordsets must have a one-to-many relationship .