create table if not exists Company
(
    id            bigint primary key,
    name          varchar(255) not null,
    members       int          not null,
    created_time  timestamp    not null default current_timestamp(),
    modified_time timestamp    not null default current_timestamp() on update current_timestamp()
);

create table if not exists Employee
(
    id            bigint primary key,
    name          varchar(255) not null,
    age           int          not null,
    created_time  timestamp    not null default current_timestamp(),
    modified_time timestamp    not null default current_timestamp() on update current_timestamp()
);