I'd just install Postgres or MySQL or whatever locally on my free instance. It comes with 30GB of disk, which should be plenty if you're just playing/prototypin

I'd just install Postgres or MySQL or whatever locally on my free instance. It comes with 30GB of disk, which should be plenty if you're just playing/prototyping. Alternately, for the first year you also get $300 credit which could cover Cloud SQL if you really need that.