External primary key: the database table primary key table and other associated domain.
外部主键：数据库表中与其他表主键关联的域。
Say your database schema contains three primary key table columns named "list_id", "ListId", and "list_value".
比方说你的数据库模式中包含三个作为主键的表列，分别命名为“list _ id ”、“ListId ”和“ list _ value ”。
The primary key table contains only one record that relates to none, one, or many records in the related table. This is the most commonly used type of relationship.
主键表的一个记录，关联到关联表中，存在，没有，或者有一个，或者多个记录。这是最重要的也是最常见的关系。
So a different solution was found if an identifying column like a primary key is found in the table.
所以，如果在表中找到一个标识列，例如主键，则可以找到一种不同的解决方案。
Also, before setting up replication in DB2, you will want to ensure that every database table has a primary key or unique index.
此外，在DB 2中创建复制之前，您会希望保证每一个数据库表都具有一个主键或惟一索引。
For foreign key creation, another table with a primary key with a compatible data type is required.
对于创建外键，则需要另外一个具有主键的表，且该主键具有兼容的数据类型。
Having the database generate values for the primary key for a table (and by extension, any foreign key values for related tables) eliminates the burden from the application from having to do so.
数据库为一个表格的主键生成值(通过扩展，为相关表生成外主键)，从而将程序从这项任务的重担中解放出来。
Make sure each table has a primary key.
确保每个表都有一个主键。
The latter is actually a primary key lookup against the parent table and constitutes the foreign key constraint verification.
索引扫描实际上是对父表进行主键查找，并完成外键约束验证。
An example would be retrieving and caching the next available batch of keys from a primary key sequence table.
例如，在从主键序列表中检索并缓存下一批可用的键值时。
The target table must have a primary key.
目标表必须有一个主键。
To help with replication ER requires that the table have a primary key defined.
要实现更好的复制，ER要求表定义一个主键。
A dimension table needs a generalized key as the primary key data; this becomes the foreign key in the fact table.
维度表需要作为主键数据的通用键；这将作为事实表的外键。
You can also establish a foreign key in a secondary table to link with a primary key in a primary table.
您还可以在次表中建立外键，以链接主表中的主键。
Uniqueness in the CCD table must be enforced — either by a primary key or unique index on the source table or CCD table.
ccd表中必须有惟一性约束——可以通过主键或者源表或ccd表上的惟一索引实现。
A grid that allows the mapping of the columns in the current table to the primary key columns in the mapped table.
一个允许将当前表中的列映射到被映射表的主键列的表格。
The RentalLocation table can obtain all of its assigned vehicles through the Assigned Location primary key field in the Vehicle table.
RentalLocation表可以通过Vehicle表中的AssignedLocation主键字段获取所有它分配的车辆。
Then it updates the employee name in the employee table using the identifier field, which is the primary key for this table.
最后使用field字段(该表的主键)更新employee表中的雇员名称。
The table must match the definition of your attributes; for example, the primary database key for the equations table must be the primary key of the Persistent class as well.
表必需与属性定义匹配，例如，等式表的主数据库键必须也是 Persistent类的主键。
The key is in fact the primary key of the table that to which it refers.
实际上关键是表的主键的指向。
The Location table contains a foreign key (region_id) that corresponds to primary key of the region table.
location表包含一个外键(region_id)对应region表的主键。
Simply running it twice will produce an error, because the same star names (which are the primary key for the table) are used again, causing an error with duplicate primary key values.
简单地运行两次会产生错误，因为相同的星星名称（作为表的主键）使用了两次，则会由于重复的主键值导致错误。
This method takes three parameters, the primary key, the action performed on the table (create, update, delete) and a result set.
此方法具有三个参数，主键、对表执行的操作(创建、更新、删除)和结果集。
Inter-table relationships, primary key columns, and other information about the target data is specified through the metadata object as well.
表间关系、主键列和其他有关目标数据的信息也是通过元数据对象指定的。
If a primary key is specified in the CREATE TABLE statement, the first column of the primary key is used as the distribution key.
如果在CREATEtable语句中指定了一个主键，那么主键的首列会被用作分配键。
The row key is the primary key of the table and is typically a string.
行键是表的主键，通常是一个字符串。
The first column (ID) is the primary key of the table.
第一列(ID)是此表的主键。
Alternatively, you could define the primary key to use Identity value generation at the time you were defining the table and adding the primary key column itself.
您还可以选择，定义主键值，来在定义表格和添加主键值列本身时使用identity值生成。
If you create a row with primary key 100 in a customer table, the message will look like "message from DB2: a row with primary key 100 is created".
如果您在customer表中使用主键100创建一个行，对应的消息将与如下所示类似：“MessagefromDB 2：arowwithprimary key 100is created ”。
If you create a row with primary key 100 in a customer table, the message will look like "message from DB2: a row with primary key 100 is created".
如果您在customer表中使用主键100创建一个行，对应的消息将与如下所示类似：“MessagefromDB 2：arowwithprimary key 100is created ”。
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