create index ar_id_key on ar (id);
create index ar_transdate_key on ar (transdate);
create index ar_invnumber_key on ar (invnumber);
create index ar_ordnumber_key on ar (ordnumber);
create index ar_customer_id_key on ar (customer_id);
create index ar_employee_id_key on ar (employee_id);
create index ar_id_key on ar (id);
create index ar_transdate_key on ar (transdate);
create index ar_invnumber_key on ar (invnumber);
create index ar_ordnumber_key on ar (ordnumber);
create index ar_customer_id_key on ar (customer_id);
create index ar_employee_id_key on ar (employee_id);