在接下来的页面中，您要选择在什么地方检索主关键字的值(图28)。
On the next page, you choose where to retrieve the value of the primary key (Figure 28).
典型的方法是根据实体的主关键字进行查询，因为这可以保证产生一个独一无二的结果。
The typical method is to look up the entity by its primary key, because that will guarantee a unique result.
注意它们包含了与数据库表列，以及设置的主关键字、关系相对应的区域(图19)。
Notice that they contain fields corresponding to the database table columns and that the primary keys and relationships have been set (Figure 19).
只需在主站点的搜索栏中输入简单的关键字，就可以找到大量可能有帮助的建议和信息。
Just putting a simple keyword into the main site's search bar can provide thousands of possible Suggestions for information that might help.
一个JPA实体中的注释，可以显示出表格的列，其他表格之间的关系，主关键字以及等等。
Annotations within a JPA entity can represent table columns, relationships to other tables, primary keys, and so on.
茶楼在主街道上一字排开，游客们每天早上成群结队的前来购买书法字帖、珍珠和古玩。
Teahouses line the main street, where tourists flock each morning to buy calligraphy, pearls, and antiques.
如果出现一条出错信息，声称没有定义一个主关键字，那么您可以选择empno作为主关键字。
If an error message appears stating that a primary key is not defined, select empno as the primary key.
main：主函数创建用来监听连接的套接字，然后创建accept的回调函数以便通过事件处理函数处理每个连接。
Main : the main function creates the socket to be used for listening to connections, and then creates the callback for accept to handle each connection through the event handler.
因此您需要将Employee的外部关键字属性，与Department的主关键字映射上。
Therefore, you need to map the foreign key attribute in Employee to the Department's primary key.
官清民接近，主雅客来勤。读书须用意，一字值千金。
Guan Qingmin is close to the ground, the main yake. Reading should mean, the word is worth.
在关系数据库规范化理论中，求解后选关键字和主属性一直是一个棘手的问题。
In normalization theory of relation database, finding candidate key and primary attribute is always a difficult problem.
就这类问题的子类给出了一种通过依赖矩阵求出全部主属性的方法，进而得出主关键字。
This paper gives a availability method based on Dependency -matrix that can find all primary attributes and get primary key.
于是他们叫来一个公证人，写了一张证明，庄园主就在洗手盆上给证明签了字。
So they sent for the notary and the deed was made, and the Seigneur signed it on the wash-basin.
操作数据库是为已知的任务和负载设计的，如使用主关键字索引和散列，检索特定的记录，和优化“罐装的”查询。
An operational database is designed and tuned from known tasks and workloads, such as indexing and hashing using primary keys, searching for particular records, and optimizing "canned" queries.
主神说，我是阿拉法，我是俄梅戛（阿拉法俄梅戛乃希腊字母首末二字），是昔在今在以后永在的全能者。（启。
"I am the Alpha and the Omega, " says the Lord God, "who is, and who was, and who is to come, the Almighty. "
采用时域有限差分法对T形结、十字结进行模拟分析，提取平面传输线不连续性结构的特征参数——主模散射参数、色散特性等。
Different characteristic parameters of planar transmission line discontinuities are extracted by FDTD arithmetic, such as scattering parameters of dominant mode and dispersion parameters.
上主，请赐下十字圣架的神力，永远保佑我们。
Send in us, Lord, the power of your Holy Cross to protect us always.
由圆形的“易”字和竖排的甲骨文字组成的画面主形象，给人以视觉上的平衡美，同时带来安全，稳定和财富的象征。
The circular "Yi" composition together with the vertical Oracle Bone Script forms a steady visual balance, symbolizing safety, stableness, and fortune.
此单元格含有数据库主关键字的最近检索值。
This cell contains the most recently retrieved value for the primary database key.
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This video explains the benefits of Google AdWords and features that aim to improve advertising p...
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