查询词典 primary key
- 与 primary key 相关的网络例句 [注：此内容来源于网络，仅供参考]
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What is the function of primary key in database?
数据库中的主关键字的作用？
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It should be noted that every record in a relational database has its own primary key.
应该指出，每一个记录，在一个关系数据库都有自己的首要关键。
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A PRIMARY KEY is used to uniquely identify each record within a database table.
主键是用于唯一地标识在数据库表中每条记录。
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Primary Key: Unique watchdog event ID.
主键： 唯一的看门狗事件识别码。
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Primary key: Grogshop management、access、database.
要害字 ：酒店管理、访问、数据库。
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Although a unique index will help locate information, using a primary key or unique constraint will give you the best performance.
尽管唯一的索引可用来定位信息，但使用主键或唯一约束可为您提供最佳的性能。
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This can be accomplished through a combination of the table name, primary key, and column name.
这些可以通过表名，主键和列名的合作来完成。
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No component of a primary key can have a null value.
没有一个主键部分具有一个空值。
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Number which is the primary key of the value in the secondary table.
有多少是在第二表中的值的主键。
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The retrieval of a data record in an indexed file by the primary key within the data record
在索引文件中，通过数据记录中的主要关键字或可选关键字进行数据记录的检索的一种方法。
- 推荐网络例句
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The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.
其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。
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Ever since our world has been a world, native forests have been indiscriminately exploited by man.
自从我们的世界一直是世界原生森林被任意剥削人。
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I don't… don't know. He's unconscious.
我不……我不知道他休克了。