Validations Or Callbacks (3.6ms) INSERT INTO "posts" ("id","title","body","user_id") VALUES (nextval('public.posts_id_seq'),'title','body',31), (nextval('public.posts_id_seq'),'title','body',80), (nextval('public.posts_id_seq'),'title','body',73), (nextval('public.posts_id_seq'),'title','body',56), (nextval('public.posts_id_seq'),'title','body',66), (nextval('public.posts_id_seq'),'title','body',19), (nextval('public.posts_id_seq'),'title','body',11), (nextval('public.posts_id_seq'),'title','body',90), (nextval('public.posts_id_seq'),'title','body',90), (nextval('public.posts_id_seq'),'title','body',9) RETURNING id After