The point table (wells_pts) has a foreign-key relationship with the source table (wells).
点表（wells_pts）和源表（wells）之间有外键关系。
Now foreign investment has turned education into a key comparative advantage.
一所商业学院——中美洲企业管理学院（INCAT）的Alberto Trejos说：“现今的外国投资已将教育转变为一项关键的相对优势。”
Create a foreign key to link this new table with the existing employee table.
创建一个外键，以便将这个新表与已有的雇员表相连接。
One column links to the form (the row in the table) using a foreign key.
一列使用一个外键链接到表单上(表中的一行)。
Buy or borrow a tour book with maps and key foreign phrases.
买或借一本带有地图和关键外文词汇的旅行手册。
This is important when data is decomposed into multiple tables having foreign key relationship.
当将数据分解成多个具有外键关系的表时，这尤其重要。
Missing join predicates, but only if a foreign key is defined.
丢失连接谓词，只在定义了外键的情况下。
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。
All DOC_IDs are unique to meet the foreign key constraints.
所有DOC_ID都是惟一的，以满足外键约束。
It is similar to a foreign key in a relational database.
它类似于关系数据库中的外键。
Each one-to-one association is buried as a foreign key in the table of either class.
每个一对一的关联在表中任一类中充当外键。
Our virtual foreign key is based on two columns from the TB_RIGHT table.
我们的虚拟外键基于TB_RIGHT表的两个列。
You can use similar definitions to define foreign key constraints on usa.item_supplied nickname.
可以使用类似的定义来定义usa . item_supplied昵称上的外键约束。
Alternative way of creating a primary key and foreign key.
另外一种创建主键和外键的方式。
In my location table in Listing 2, I provide a foreign key back to account.
在清单2中我的location表中，我提供了一个指向account的外键。
Adding or dropping unique, distinct, or foreign key constraints.
添加或删除惟一、独特或外键约束。
A tour book with maps and key foreign phrases.
一本带有地图和关键外文词汇的旅行手册。
To create the correct mapping, the tool has to know that ACCOUNT_ACCOUNTID is a foreign key.
要创建正确的映射，映射工具必须知道 ACCOUNT_ACCOUNTID 是个外键。
The document model belongs_to :user if the DOCUMENTS table has a user_id foreign key column.
如果DOCUMENTS表有一个 user_id 外键列，则文档模型为 belongs_to :user。
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。
A foreign key attribute, is automatically created in PROJECT.
在PROJECT中会自动创建一个外键属性COMP _ CODE。
Cross-column analysis for foreign key discovery.
用于发现外键的跨列分析。
Non-identifying optional foreign key relationship.
非标识可选的外键关系。
Foreign key definitions in the DDL.
DDL中的外码定义。
In the foreign keys page (shown in Figure 3), add a new foreign key ord_cust_key.
在外键页面中(如图3所示)，增加一个新的外键ord_cust_key。
Non-identifying one-to-one foreign key relationship.
非标识一对一外键关系。
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。
How can you create a foreign key to a table in another database with workbench?
你怎么能在另一个数据库中创建与工作台表的外键？
Next year will be the key to foreign investment in Shanghai property market.
明年将是关键的外国投资在上海房地产市场。
Next year will be the key to foreign investment in Shanghai property market.
明年将是关键的外国投资在上海房地产市场。
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