-- Drop the columns drop view site_view; alter table site drop column enable_downvotes; alter table site drop column open_registration; alter table site drop column enable_nsfw; -- Rebuild the views create view site_view as select *, (select name from user_ u where s.creator_id = u.id) as creator_name, (select count(*) from user_) as number_of_users, (select count(*) from post) as number_of_posts, (select count(*) from comment) as number_of_comments, (select count(*) from community) as number_of_communities from site s;