create table service_infos (
  name text not null,
  version text not null,
  uri text not null,
  title text,
  description text
);
comment on table service_infos is '
  Information about a deployed service.
';

comment on column service_infos.uri is '
  URI under which this service is deployed.
';
comment on column service_infos.title is '
  A human-readable title of the service.
';
comment on column service_infos.description is '
  A human-readable description of the service.
';