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Primary key for address rows. 地址行的主键。
Class and indicates whether the field is the primary key for the data row. 类的新实例,并指示该字段是否是数据行的主键。
How do I find the columns of a primary key for a specified table? 如何找到指定表的主键列?
The emp_id column is the primary key for the employee table. emp_id列是employee表的主键。
You should always specify a primary key for a table. 应该始终为表指定一个主键。
Class and indicates whether the field is the primary key for the data row, whether the field is a database identity field, and whether the field can be null. 类的新实例,并指示该字段是否是数据行的主键,该字段是否是数据库标识字段,以及该字段是否可以为空。
Primary_root The primary_root locates the root page of the index for the primary key for the table. primary_root primary_root为表的主键定位索引的根页。
Click the row selector for the current primary key. 单击当前主键的行选择器。
Gets a value indicating whether the data field is in the primary key for the containing table or view. 获取一个值,该值指示数据字段是否位于包含表或视图的主键中。
The column will be an auto-incrementing primary key for the parent table, and will be used for the DataRelation between the two tables. 该列将成为父表的自动递增主键,并将用于两个表之间的DataRelation。
The primary key for the employee table is the employee ID, and the primary key for the department table is the department ID. 雇员表的主键是雇员ID,而部门表中的主键是部门ID。
However, it is possible you might have a perfectly valid need to change the primary key for a shipper that has orders in the Orders table. 但是,您可能确实需要更改某个运货商的主键,而该运货商在“订单”表中有订单。
If you define a primary key for a table in your database, you can relate that table to other tables, thus reducing the need for redundant data. 如果为数据库中的某个表定义了主键,则可将该表与其他表相关,从而减少对冗余数据的需求。
If you try to remove a primary key for which relationships exist, Access warns you that you must delete the relationship first. 如果已经基于要删除的主键建立了关系,Access会警告您必须先删除该关系。
Using the Order ID field alone doesn't work as the primary key for this table, because one order can have many line items. 仅使用“订单ID”字段作为此表的主键将不起作用,因为一个订单可能具有多个行项目。
Full support for address groups. 邮件地址组的完整支持。
Error accessing file for address book %S. 为通讯录%25S访问文件出错。
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。
Several entries in the employee table have the same department ID entry, but the department ID is the primary key for the department table, and so is unique. 雇员表中的几个条目都具有相同的部门ID条目,但部门ID是部门表的主键,因此在部门表中是唯一的。
One candidate key in a table is specified by the database designer to be the primary key for the table, and any other candidate key is called an alternate key. 表中的一个候选键由数据库设计器指定为该表的主键,任何其他候选键称为备用键。

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