How to set initial value and auto increment in MySQL?
It is convenient to let the database to manage id, such as order IDs that can be generated automatically each time we insert a new order tuple into the order table. Moreover, we might want to set an initial value for the IDs so that it will not start from 0 as the first customer does not like to see a "000000" order.
Source: https://stackoverflow.com/questions/1485668/how-to-set-initial-value-and-auto-increment-in-mysql