Foreign Key

A relationship between the main foreign key constraint graph.

一个关系主外键约束图.

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The foreign key side is also denoted by a key symbol.

外键方也由键符号表示.

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According to present language teaching theory, the most important thing of learning foreign language is to make sure to input enough understandable language information. So, reading becomes the key to the success in learning medical English.

现代语言教学理论认为，学习语言的首要条件是保证足够的可理解的语言信息输入，因此阅读就成为学习英语能否成功的关键。

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The foreign key constraint is applied when you save the table.

当保存该表时应用外键约束.

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Under such a complex and changing international trading environment, how to get prepared, gain the initiative and get the right to speak are becoming key issues which need to be solved urgently in Chinese foreign trading policies.

在如此复杂多变的国际贸易环境中，如何做好充分准备，获得主动，获得贸易话语权是我国对外贸易面临和必须解决的关键难题。

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Each one-to-many association is buried as a foreign key in the table of the many class.

每个一对多的关联在表中多个类中充当外键。

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Creating a relationship also creates a foreign-key constraint that is added to the child table.

建立关联性的同时,也会建立要加入至子资料表的外部索引键条件约束.

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The primary or foreign key table name must be given.

必须给定主键或外键表名。

provided by jukuu

A foreign-key constraint can implement referential integrity between parent and child tables.

外部索引键条件约束可于父和子资料表之间实作参考完整性.

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Creates both a relation and foreign key constraint ( see below for descriptions ).

建立关联与外部索引键条件约束 ( 请参阅以下描述 ).

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Include foreign key columns as properties on entity types.

将外键列作为属性包括在实体类型中.

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With independent associations, you cannot use the foreign key property.

使用独立关联, 则不能使用外键属性.

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Creating a foreign key using the Foreign Key tool is also very easy.

通过Foreign Key工具创建一个外键也是非常容易的。

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This next section of code adds all of the foreign key links seen in the previous diagram

下面的代码将添加上图中的所有外键链接

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In the case of one-to-many relations, your transformation creates a foreign key in every "many" table

在一对多关联的情况下，你的转换在所有“many”表中建立了一个外键

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Filters that are created for each foreign key or Boolean fields.

可提供针对每个外键或针对布尔型字段创建的筛选器.

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With foreign key associations , you can use both Methods: To change create or modify relationships.

通过外键关联, 可以使用两种方法更改创建或修改关系.

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In the Foreign Key Relationships dialog box, select the relationship in the Selected Relationship list.

在“外键关系”对话框中, 在“选定的关系”列表中选择关系.

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Shen Yi of the School of International Relations and Public Affairs at Fudan University defended the law, saying "there's no need to exaggerate the requirements on key equipment and security products for foreign companies."

复旦大学（Fudan University）国际关系与公共事务学院的沈逸为该法辩护称，“没有必要夸大在关键设备和安全产品上对外国企业的要求”。

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A one-to-many association is specifically mapped to a foreign key in the "many" table

一个一对多关联被映射到“many”表的一个外键

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A primary key of a table can be a foreign key in any other table.

主键的表可以是外键,在任何其他表.

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A foreign key is a constraint that enforces referential integrity.

外键是强制引用完整性的约束.

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A foreign key constraint referencing this table was dropped or changed.

已删除或更改了引用此表的外键约束.

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Minimize the triggers, CHECK and foreign key constraints, and generated columns for the table.

尽量减少表上的触发器、检查和外键约束以及生成的列。

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To Design Classroom Instruction Activities in Foreign Language Teaching Earnestly Is the Key to Improve Communicative Competence

认真设计外语课堂活动是提高交际能力的关键

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Foreign Languages College is the key disciplines Bohai University base, has a long history and fine traditions, and the reputation for rigorous scholarship, and educating people well-known;

外国语学院是渤海大学的重点学科基地，具有悠久的历史和优良的传统，并且素以治学严谨、育人有方而著称；

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A foreign key constraint allows you to define referential integrity between a parent and child table.

外键约束允许您定义父表和子表之间的引用完整性.

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This makes it virtually impossible for us to create a foreign key.

这使得我们几乎不可能创建外键。

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Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints.

未能启用约束. 一行或多行中包含违反非空 、 唯一或外键约束的值.

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Delete a foreign key constraint when you want to remove the requirement to enforce referential integrity.

如果想要移除对强制引用完整性的要求,则可删除外键约束.

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