The name of the primary key is id.
主键的名称为id。
An Entity class needs a primary key.
Entity类需要一个主键。
重新创建主键。
那么什么是主键？
Customer ID column (as primary key).
客户id列(作为主键)。
Make sure each table has a primary key.
确保每个表都有一个主键。
The primary key identifying the catalog
标识Catalog的主键。
pkey_ is a primary key of a Client EJB.
'pkey'是ClientEJB的主键。
The target table must have a primary key.
目标表必须有一个主键。
Step 5: Adding a primary key to a table.
步骤5：向表添加主键。
The Customer table has primary key cust_num.
customer表的主键是cust_num。
The location table has primary key location_id.
location表的主键是location_id。
This becomes the primary key in the physical model.
这成为物理模型中的主键。
You define the primary key when you define the bean.
当定义bean 时，同时也定义主键。
The first column (ID) is the primary key of the table.
第一列(ID)是此表的主键。
Alternative way of creating a primary key and foreign key.
另外一种创建主键和外键的方式。
Each table has an id field that serves as the primary key.
每个表有一个用作主键的id字段。
Automatic primary key and unknown primary key generation.
自动生成主键和未知的主键。
In this case, there is no primary key available in the EPR.
在这个范例中，EPR中没有可用的主键。
Returns one particular book identified by its primary key.
返回一本特定的、由其主键(primary key)标识的书籍。
The primary key users_id is not portable across databases.
主键users_id在数据库之间并不是可以移动的。
The ID is set to auto-increment and is used as the primary key.
ID被设置为自动增量并作为主键。
This surrogate column can be designated the primary key column.
可以将该代理列指定为主键列。
Leave the JSF expression {param.empno} as the primary key value.
使用JSF表达式(param . empno)作为主关键字的值。
Each entity in the logical data model is assigned a primary key.
逻辑数据模型中的每个实体都被指定了一个主键。
You've also identified the id column as the table's primary key.
还将ID列标识为表的主键。
Every record in the table has a unique ID called the primary key.
表中的每个记录都有一个惟一的ID，称为主键。
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。
This index requires each value in the primary key to be unique.
该索引要求主键的每一个值都必须是唯一的。
They use database-generated primary key values for the ID attribute.
它们为ID属性使用数据库生成的主键值。
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