Bubble (bubble.io) database course part 3 - List Fields (columns) 

Best explanation so far from most bigger page, the way that you explain make this clear, perfect !

It will be helpfull if you add items from the front-end

I'll not proceed to part 4. From part 1 to part 3 all you do is to create a Data types and fields that we already know in part 1 it sucks men