11 03 referential integrity part2

[@khaledsakkaamini4743]

no wonder why Stanford is the best! they have awesome teachers thanks for clear explication

[@mirza110a]

Very good. Thank you.

[@cjlion7081]

use the same visual example as the described example next time, does anyone notice that every video is like that? I should be able to hide these poor examples, explains so few views, no one would share this

[@majesticbarrack5506]

that it