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ql服务器中的身份栏在技术上如何运作?
原标题:How does the identity column in sql server technically work?

在我寻求一种方法,以创造独特的增量系列。 我审议了身份栏。 我无法为我的目的使用否决权,但这会导致我目前的问题;

www.un.org/spanish/ecosoc 身份技术如何在Sql服务器工作?

我不寻求如何使用答案,我知道,它增加了每个插入的编号,留下删除的空白。 但是,我看不到它如何产生多少文件。 这张桌子是否在 s服务器上? 它是否使用一个连续锁? 或者其他一些锁定? 它是锁定的吗? 如何防止重复数字?

问题回答

There s some useful information on the internals in these questions/articles:

https://dba.stack Exchange.com/questions/1635/why-are-denali-sequences-supposed-to-perform-better-than-identity-columns

http://www.sqlmag.com/article/sql-server/Sequences-Part-2-129205

他们谈论的是2012年推出的SEGNCEs,但其中有一些是关于身份认同、差异和执行的信息。 不能确定这一答案是否充分,但水文学组织值得一读。





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