java.sql.SQLException: ORA-02289: sequence does not exist

创建序列SQL(已经解决)

create sequence nuser_seq

minvalue 1
maxvalue 999999999999999999
start with 1
increment by 1

cache 20;

创建触发器

create or replace trigger userman
before insert on supplier.userman
for each row
begin
select seq_userman.nextval into :user_id from dual;
end;