create or replace procedure clear_product is
p_sql char(200)
p_r_sql char(200)
begin
p_sql := \'\';
p_r_sql :=\'\';
execute immediate p_sql;
execute immediate p_r_sql;
commit;
end clear_product;
declare
job number :=1
begin
dbms_job.submit(job,\'此处填存储过程含函数\',\'sysdate\',‘此处见定时任务属性’)
commit;
end;
/