CREATE TABLE public.user ( id bigint PRIMARY KEY , create_time timestamp NOT NULL , last_update timestamp NOT NULL, name text NOT NULL , account text NOT NULL , password text NOT NULL ); COMMENT ON TABLE public.user IS '基础用户表,记录用户在系统内的昵称,登录凭证和密码'; CREATE TABLE public.program ( id bigint PRIMARY KEY , create_time timestamp NOT NULL , last_update timestamp NOT NULL , name text NOT NULL ); COMMENT ON TABLE public.program IS '项目表,记录着可以登录的端点';