def delete_video_category(id): delete(VideoCategory, id)
def delete_author(id): delete(Author, id)
def delete_ad(id): delete(Ad, id)
def delete_user(uid): delete(User, uid)
def delete_video(id): delete(Video, id)
def delete_symbol_subcategory(id): delete(SymbolSubcategory, id)
def delete_symbol(id): delete(Symbol, id)
def delete_symbol_category(id): delete(SymbolCategory, id)
def delete_video_subcategory(id): delete(VideoSubcategory, id)
def delete_post(id): delete(Post, id)
def delete_forum(id): delete_all_from_fk(ForumPost, id) delete(Forum, id)