For an index key column that is of variable length.
具有可变长度的索引键列。
The tables are joined over a common key column (ID).
这两个表通过一个共同的键列(ID)进行联结。
We selected TITLE as the key column for convenience.
为了简便，我们选择TITLE作为主键列。
Also verify that HOLDINGTYPE is displayed as a key column.
另外确认HOLDINGTYPE显示为关键列。
This surrogate column can be designated the primary key column.
可以将该代理列指定为主键列。
The "ID" is a generic key column but is not used in the reporting.
“ID”是一个类属键（generic key）列，但是未在报告中使用。
Select the table which contains the key column, then select the key column.
选择包含键列的表，然后选择键列。
TP will only benefit those queries that include the table partitioning key column.
TP只对那些包括表分区键列的查询有利。
Enter the following columns: cust_id (check key column), name, address, and phone.
输入以下列：cust_id （设置为主键列） ，name，address和phone。
Example 4: Collect catalog statistics on key columns and on one column that is not.
示例4：收集关键列上和一个非关键列上的目录统计信息。
A primary key column is identified by a primary key symbol in its row selector.
主键列由其行选择器中的主键符号标识。
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。
As we mentioned above, they all have a column named ID as a primary key.
前面我们提过，它们都有一个叫作id的列，并将该列作为主键。
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 is analogous to making a column in a database a primary key.
这类似于数据库中选择一列作为主键。
The first column lists the key and the other column displays information about the key.
第一列列出键，另一列显示有关该键的信息。
The first column (ID) is the primary key of the table.
第一列(ID)是此表的主键。
If you recall, your DB2 table was created specifying the primary key of the ACCOUNT_NUM column.
您可以回想一下，创建db2表时指定了account_num列作为主键。
One of the key differences in V6 and V6.1 is the column type of messages.
V6和V6.1 之间的重要区别之一是消息的列类型。
The example USES the ID column as the join key.
示例使用id列作为连接键。
You've also identified the id column as the table's primary key.
还将ID列标识为表的主键。
For example, for family info and a member date, the column key is info:date.
例如，对于系列info和成员date，列键为 info:date。
The "id" column will be set as the primary key and will be auto-incrementing.
“id”列将会被设置为主键，并且自增。
Use the TAB key to line up the fruit names in a column.
使用tab键将水果名排成一列。
Customer ID column (as primary key).
客户id列(作为主键)。
Usually the table partitioning key will be a time-based column.
通常表分区键是基于时间的列。
The second (REF_ESTATE_ID) is the column name from the other table's primary key.
第二个（ REF_ESTATE_ID）是另外一个表的主键的列名。
A column set to the AutoNumber data type often makes a good primary key.
设置为“自动编号”数据类型的列通常是很好的主键。
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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