Problem in running Job through Sqlplus

Question

Hi,
I'm trying to run sequence of sql statments to run a job. At the end of this i'm getting error, anyone can help me out on the same.
-- Creating a table with a column cob.
create table gob(cob number(5))
-- Procedure to insert a value 100 in table gob
create or replace procedure autoins IS
begin
insert into gob values(100);
end;
-- PL-SQL block to create & submit a job.
VARIABLE jobno number;
BEGIN
DBMS_JOB.SUBMIT(:jobno, 'autoins ;',
SYSDATE, 'SYSDATE + 1');
COMMIT;
END;
At the end of it i'm getting following error,
BEGIN
ERROR at line 1:
ORA-01422: exact fetch returns more than requested number of rows
ORA-06512: at "SYS.STANDARD", line 586
ORA-06512: at line 2
Anyone can help ???????
Regards,
Ashish.

Answer 1

Hi Garcia,
Thanks a lot for this help. Acutally "select count(1) from dual" was returning 3 initally so i have used delete statement twice and now its returning only one value. Though problem is solved but still i couldn't understand the cause of this.
Thanks a lot again.
Regards,
Ashish.