primary key造句

1、This URI gets an Actor with primary key m1
这个URI会获取一个带有主键m1 的Actor

2、The Time table has primary key date_time.
Time表的主键是 date_time。

3、You can also create a primary key class for entities that have composite keys.
还可以为具有组合键的实体创建一个主键类。

4、This surrogate column can be designated the primary key column.
可以将该代理列指定为主键列。

5、You don't need to worry about messing around with the primary key or foreign key.
您无需担心处理主键或外键的麻烦。

6、A primary key is used to uniquely identify the rows in a table
关键字段是用来确认一张表中记录的唯一性的。

7、You can see that the primary key is indeed a composite made up of the street and city fields.
可以看到，主键实际上是由street和city字段组合而成的。

8、On the primary key Tasks page, select deptno as the primary key for the Department entity.
在主要关键字Tasks页面中，选择deptno以作为Department实体的主要关键字。

9、This happens when no primary key is defined.
即使没有定义主键，这种操作也会发生。

10、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。

11、As noted previously, of course, the primary key logic found in the application isn't bulletproof.
当然，如前所述，应用程序中的主键逻辑并不是很保险。

12、How to set primary key with duplicate values based on main primary key?
如何基于主密钥重复值，主键设置？

13、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。

14、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。

15、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。

16、A primary key is used to uniquely identify the rows in a table.
关键字段是用来确认一张表中记录的唯一性的。

17、So, in the case of the book table, there is a primary key field called book_id.
所以，在book表这个示例中，有一个主键字段叫做book_id。

18、A good candidate for a primary key has several characteristics.
一个好的主键候选具有几个特征。

primary key翻译