• 首先需要为代理键生成惟一的值。

    You need to generate unique values for the surrogate key.

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  • 键管理器封装了代理键生成函数。

    The key manager encapsulates the surrogate key generation function.

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  • 标识符可能使用代理键。

    Identifiers may use surrogate keys.

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  • 我们可以使用该函数为代理键列生成惟一值。

    It can be used to generate unique values for the surrogate key column.

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  • 另一种传统方法是使用触发器来生成代理键。

    Another traditional way is to use a trigger to generate the surrogate key.

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  • 本文描述了实现作为主键的代理键的三种方法。

    This article described three approaches to implementing a surrogate key as primary key.

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  • 简述代理键替换管道如何工作。

    Explain how the surrogate key pipeline works.

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  • 文中主要讨论了如何为代理键生成惟一的序列值。

    It focused on how to generate unique consequent values for the surrogate key.

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  • 当创建一个表时,可以添加一个额外的列作为代理键。

    When you create a table, you can add an extra column to be the surrogate key.

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  • 很多大型的应用程序使用键管理器方法维护所有表的代理键。

    Many large applications use the key manager method to maintain the surrogate keys for all tables.

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  • 什么是代理键?

    What are surrogate keys?

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  • 第三,编写KeyManger类来维护每个已注册表的代理键。

    Third, write the KeyManger class to maintain the surrogate keys for each registered table. The KeyManager class will provide two methods.

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  • IDENTITY函数在大多数情况下是代理键函数的一个好的解决方案。

    The IDENTITY function is a good solution for a surrogate key function in most cases.

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  • SNMP服务忽视扩展代理键%1因为它已丢失或配置不当。

    The SNMP Service is ignoring extension agent key % 1 because it is missing or misconfigured.

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  • 代理键的值从某一个数字开始,例如 "1",以这个数字作为该列在表中第一行的值,之后的每一行中该列的值都按 1递增。

    The surrogate key values start with a number, for example "1", for the first row of the table, and is incremented by one for each row thereafter.

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  • 如果使用复制发布表,则自动会为复制代理执行的操作禁用外键约束。

    If you publish a table by using replication, you automatically disable foreign key constraints for operations that replication agents perform.

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  • 如果使用复制发布表,则自动会为复制代理执行的操作禁用外键约束。

    If you publish a table by using replication, you automatically disable foreign key constraints for operations that replication agents perform.

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