Explain how the surrogate key pipeline works.
简述代理键替换管道如何工作。
You need to generate unique values for the surrogate key.
首先需要为代理键生成惟一的值。
It can be used to generate unique values for the surrogate key column.
我们可以使用该函数为代理键列生成惟一值。
It focused on how to generate unique consequent values for the surrogate key.
文中主要讨论了如何为代理键生成惟一的序列值。
When you create a table, you can add an extra column to be the surrogate key.
当创建一个表时，可以添加一个额外的列作为代理键。
This article described three approaches to implementing a surrogate key as primary key.
本文描述了实现作为主键的代理键的三种方法。
Many large applications use the key manager method to maintain the surrogate keys for all tables.
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。
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.
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。
First, you usually want to have a (surrogate) object identifier that maps to the primary key of the corresponding database table.
首先，您通常要具有一个映射到对应数据库表主键的(代理)对象标识符。
Surrogate model is a key element of the multidisciplinary design optimization ( MDO ) .
代理模型是多学科设计优化的关键技术之一。
Surrogate model is a key element of the multidisciplinary design optimization ( MDO ) .
代理模型是多学科设计优化的关键技术之一。
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