Source Code
TRIGGER: PRIMACRT1
TRIGGER: VERSION_T1
PRIMACRT1
create or replace trigger PRIMACRT1
before insert on PRIMACRNAMES
for each row
begin 
  select PRIMACRseq_names_id.nextval into :new.id from dual; 
end;

VERSION_T1
create or replace trigger VERSION_T1
before insert on VERSION_NAMES
for each row
begin 
  select VERSION_seq_names_id.nextval into :new.id from dual; 
end;