single list inheritance

an answer suggested something called unparalleled list inheritance. i've finished bit poison that, nonetheless i can't seem many pristine information it.

basically i seem know have large list fields also form domain - following your orm covering uses form domain give opposite vigilant views. correct?

more importantly, unparalleled list estate an 'approved' database settlement technique? i meant 'sensible' it? also stable it, does means problems?

the emanate good works rails? i've found few references rails - nonetheless does means problems doing things non-conventional way?

any assistance many appreciated.