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。”
Alternative way of creating a primary key and foreign key.
另外一种创建主键和外键的方式。
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。
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。
The key position of foreign minister was given to Tzipi Livni.
外长这个关键职位由利夫尼女士担任。
Linking domestic trade with foreign trade is the key to its success.
内外贸联动是其成功的关键。
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)。
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。
It is similar to a foreign key in a relational database.
它类似于关系数据库中的外键。
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。
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。
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。
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。
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。
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。
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。
You can click any table that this table references by a foreign key.
可以单击此表中的外键所引用的任何表。
Foreign key definitions in the DDL.
DDL中的外码定义。
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。
The foreign key side is also denoted by a key symbol.
外键方也由键符号表示。
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。
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。
Forecast domestic and foreign market direction and control gross balance of key commodities.
研究预测国内外市场状况，负责重要商品的总量平衡和调控。
Motivation to learn a foreign language is key to language learning.
外语学习动机是语言学习的关键。
Experts believe that total immersion is key to mastering a foreign language quickly.
专家认为完全参与外语语境是快速掌握一门外语的关键。
Non-identifying optional foreign key relationship.
非标识可选的外键关系。
Cross-column analysis for foreign key discovery.
用于发现外键的跨列分析。
Cross-column analysis for foreign key discovery.
用于发现外键的跨列分析。
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