调用她以载入指定的加速键表。
第一个字符串定义了表，第二个字符串定义了键。
The first string defines the table and the second defines the key.
键选择中的最后一个因素就是它对事实表的影响。
The last factor in key selection is its impact on the fact table.
一种就是维护操作和数据仓库的键的转换表。
One is to maintain a translation table of operational and data warehouse keys.
创建一个外键，以便将这个新表与已有的雇员表相连接。
Create a foreign key to link this new table with the existing employee table.
一列使用一个外键链接到表单上(表中的一行)。
One column links to the form (the row in the table) using a foreign key.
当将数据分解成多个具有外键关系的表时，这尤其重要。
This is important when data is decomposed into multiple tables having foreign key relationship.
这两个表通过一个共同的键列(ID)进行联结。
然而，不管是父表还是子表，目前还不支持复制外键。
However, it does not currently support copying of foreign keys, either parent or child.
核对注册表键。
分区键是在一个表上用CREATEtable语句定义的。
A partitioning key is defined on a table with the CREATE table statement.
TP只对那些包括表分区键列的查询有利。
TP will only benefit those queries that include the table partitioning key column.
每个一对一的关联在表中任一类中充当外键。
Each one-to-one association is buried as a foreign key in the table of either class.
这些表的键通常包含人员编号。
These tables usually have a personnel number as part of their key.
通常表分区键是基于时间的列。
Usually the table partitioning key will be a time-based column.
允许您定义表的主键、惟一键和外键。
The keys view allows you to define primary, unique, and foreign keys for the table.
行键是表的主键，通常是一个字符串。
The row key is the primary key of the table and is typically a string.
我们的虚拟外键基于TB_RIGHT表的两个列。
Our virtual foreign key is based on two columns from the TB_RIGHT table.
在本例中，EMPNO是表的唯一键。
在清单2中我的location表中，我提供了一个指向account的外键。
In my location table in Listing 2, I provide a foreign key back to account.
在包中显示事实表的外键。
用时间戳、惟一键和连接时间在transtimes表中创建一个新行。
Create a new row in the transtimes table with timestamp, unique key, and connect time.
一个一对多关联被映射到“many ”表的一个外键。
A one-to-many association is specifically mapped to a foreign key in the "many" table.
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).
如果DOCUMENTS表有一个 user_id 外键列，则文档模型为 belongs_to :user。
The document model belongs_to :user if the DOCUMENTS table has a user_id foreign key column.
keys视图允许定义表的主键、惟一键和外键。
The keys view allows you to define primary, unique, and foreign keys for the table.
要在CREATETABLE语句中指定表的分区键。
You define a partition key for a table on the CREATE TABLE statement.
恢复备份的注册表键。
选择包含键列的表，然后选择键列。
Select the table which contains the key column, then select the key column.
请选择一列以用作新嵌套表的键。
Please select a column to serve as the key for the new nested table.
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