Is UUID really unique?

2018-07-02 19:30:27

Is UUID really unique? I think that it can be not unique. A UUID is composed of 128 bits, so there are no more than 2^128 different UUIDs. So, if a computer generates (2^128+1) UUIDs, then there must be two UUIDs that are the same.

链接地址: http://www.djcxy.com/p/91452.html

上一篇: Hibernate的UUID与PostgreSQL和SQL Server

下一篇: UUID真的很独特吗？