text: create table if not exists services (
  	guid uuid not null,
  	valid_from timestamptz not null,
  	created_at timestamptz not null,
  	updated_at timestamptz,
  	label text not null check (length(label)>0),
  	description text not null,
  	active bool not null,
  	bindable bool not null,
  	service_broker_guid uuid not null,
  
  	primary key (guid, valid_from)
  );
  