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。
Non-identifying one-to-one foreign key relationship.
非标识一对一外键关系。
It is similar to a foreign key in a relational database.
它类似于关系数据库中的外键。
Alternative way of creating a primary key and foreign key.
另外一种创建主键和外键的方式。
The foreign key side is also denoted by a key symbol.
外键方也由键符号表示。
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。
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。
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。
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。
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)。
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 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。
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。
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。
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。
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。
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。
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。
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。
Foreign key definitions in the DDL.
DDL中的外码定义。
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。
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。
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