今天在闲暇时间练习了一下oracle任务计划,具体详情如下
1.创建表 TBL_TIME
create table tbl_time(
id number not null,
vsecond varchar2(2),
vtime varchar2(10)
)
2.创建序列 seq_tbltime
create sequence seq_tbltime
start with 1
increment by 1
nomaxvalue
nocycle
cache 20
3.创建触发器 tr_tbltimeseq
create or replace trigger tr_tbltimeseq
before insert on tbl_time
for each row
begin
select seq_tbltime.nextval into :new.id from dual;
end tr_tbltimeseq;
4.创建存储过程 proc_addtime
create or replace procedure proc_addtime
as
d_time1 date;
d_time2 date;
n_timediff number(2);
i number(2);
begin
select sysdate into d_time1 from dual;
insert into tbl_time values(1,to_char(d_time1,'ss'),to_char(d_time1,'yyyymmddhhss'));
i:=5;
while i<=60 loop
select sysdate into d_time2 from dual;
select round(to_number(d_time2 - d_time1) * 24 * 60 * 60) into n_timediff from dual;
if n_timediff=i then
insert into tbl_time values(1,to_char(d_time2,'ss'),to_char(d_time2,'yyyymmddhhss'));
i:=i+5;
end if;
end loop;
exception
when others
then
rollback;
commit;
end;
5.创建任务计划
variable n number;
begin
dbms_job.submit(:n,'proc_addtime;',sysdate,'sysdate + 5/(24*60)');
commit;
end;
执行结果如下
SQL> select * from tbl_time;
ID VSECOND VTIME
---------- ------- --------------------
1 09 201407030509
2 14 201407030514
3 19 201407030519
4 24 201407030524
5 29 201407030529
6 34 201407030534
7 39 201407030539
8 44 201407030544
9 49 201407030549