drop sequence if exists cons_seq;
drop sequence if exists est_seq;
drop sequence if exists firm_seq;
drop sequence if exists house_seq;
drop sequence if exists ind_seq;
drop sequence if exists sup_seq;

create sequence cons_seq start 10000000;
create sequence est_seq start 1000000;
create sequence firm_seq start 1000000; 
create sequence house_seq start 1000000;
create sequence ind_seq start 1000000;
create sequence sup_seq start 10000000;

