How to to create unique random integer ID for primary key for table?

Question

I was wondering if anybody knew a good way to create a unique random integer id for a primary key for a table. I\'m using MySQL. The value has to be integer.

Answer 1

AUTO_INCREMENT is going to be your best bet for this.

Here are some examples.

If you need to you can adjust where the increment value starts (by default it's 1).