create table "companies" (
"id" serial primary key,
"name" varchar(255) not null,
"address1" varchar(255) not null,
"city" varchar(255) not null,
"state_or_province" varchar(255) not null,
"zip_or_postcode" varchar(255) null,
"country_code" char(2) not null,
"created_at" timestamp not null default NOW(),
"updated_at" timestamp not null default NOW()
);
comment on column "companies"."zip_or_postcode" is 'may not apply in some parts of the world';
comment on column "companies"."country_code" is 'ISO 3166 alpha-2 country code'