SQL Server 2008使用服务器ID作为默认值

Question

I have a tables of rows that exists in multiple databases. I will need to update the rows from one database into the other database and I have a primary key of int. So I am looking for a way to uniquely identify the server that added a particular row. I could use a uniqueidentifier in a default using the newid() or newseqentialid() but this seems overkill and inefficient.

I would like to create a default value on a column of serverid of @@serverid but this doesn't exist, I could use @@servername but this seems too obvious to errors. Is there any way to get back a guid for the server and add it as a default on a column?

Thanks in advance

Phil

Answer 1

假设您的服务器数量可能少于2 ^ 31-1，那么您可以简单地为每个服务器分配一个唯一的（32位）整数来标识它。

Answer 2

I'd just use @@SERVERNAME or a tabe based on this.

It's unambiguous, human readable and shorter then GUID