--customers
alter table customers add column created_by integer null references users(id);
alter table customers add column updated_by integer null references users(id);
------------------------------------------------------------------------------

--customer_config
alter table customer_config add column created_by integer null references users(id);
alter table customer_config add column updated_by integer null references users(id);
------------------------------------------------------------------------------------

--users
alter table users add column created_by integer null references users(id);
alter table users add column updated_by integer null references users(id);
--------------------------------------------------------------------------

--spa_points
alter table spa_points add column created_by integer null references users(id);
-------------------------------------------------------------------------------

--handling_zones
alter table handling_zones add column created_by integer null references users(id);
-----------------------------------------------------------------------------------

--collect_zones
alter table collect_zones add column created_by integer null references users(id);
-----------------------------------------------------------------------------------

--points
alter table points add column created_by integer null references users(id);
---------------------------------------------------------------------------

--jobs
alter table jobs add column created_by integer null references users(id);
alter table jobs add column updated_by integer null references users(id);
-------------------------------------------------------------------------

--recomendations
alter table recomendations add column created_by integer null references users(id);
-----------------------------------------------------------------------------------
