You can simply use the database integer identity column and convert it into a series of alpha numeric characters. With a little effort, you can generate randomi

You can simply use the database integer identity column and convert it into a series of alpha numeric characters. With a little effort, you can generate randomized, unique values. I've written a library that does exactly that, https://github.com/mikecao/hashkit https://github.com/mikecao/hashkit.