Storing arrays in MySQL?

Question

On the Facebook FQL pages it shows the FQL table structure, here is a screenshot below to show some of it (screenshot gone).

You will notice that some items are an

Answer 1

The correct way to store an array in a database is by storing it as a table, where each element of the array is a row in the table.

Everything else is a hack, and will eventually make you regret your decision to try to avoid an extra table.