I'm making a website and I need to store a random number of data in my database.
For example, User john may have one phone number where jack can have 3.
I need to be able to store an infinite number of values per user.
I think you need to create a one to many relationship table.
You can see more infos here: http://dev.mysql.com/doc/workbench/en/wb-relationship-tools.html