create sequence seq1 start with 1 increment by 1;
create trigger tri_ins_inc
before insert on hywj
for each row
begin
select seq1.nextval into :new.id from dual;
end;
create trigger tri_ins_inc
before insert on hywj
for each row
begin
select seq1.nextval into :new.id from dual;
end;
解决方案 »
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