> Discourages denormalization since every reference is 128 bytes. This might just be a mistake, but a uuid is 128 bits = 16 bytes not 128 bytes. Of course yes

> Discourages denormalization since every reference is 128 bytes. This might just be a mistake, but a uuid is 128 bits = 16 bytes not 128 bytes. Of course yes there are still circumstances where the extra space (16 bytes vs 8 or 4 or something else) isn't worth it.