如何使用跨越多个服务器链接的程序的事务？

I'm trying to test a proposition that one of our vendors presented to us for accessing their product database and it regards to queries and transactions that span multiple servers. I've never done this directly on the database before and to be frank, I'm clueless, so I'm trying to mock up a proof that this works at least conceptually.I'm trying to test a proposition that one of ou