oracle job µãµÎ
³õʼ»¯Ïà¹Ø²ÎÊýjob_queue_processes
alter system set job_queue_processes=39 scope=spfile;//×î´óÖµ²»Äܳ¬¹ý1000 ;job_queue_interval = 10 //µ÷¶È×÷ҵˢÐÂÆµÂÊÃëΪµ¥Î»
job_queue_process ±íʾoracleÄܹ»²¢·¢µÄjobµÄÊýÁ¿£¬¿ÉÒÔͨ¹ýÓï¾ä¡¡¡¡
show parameter job_queue_process;
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ALTER SYSTEM SET job_queue_processes = 10;
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dba_jobs
all_jobs
user_jobs
dba_jobs_running °üº¬ÕýÔÚÔËÐÐjobÏà¹ØÐÅÏ¢
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begin
sys.dbms_job.submit(job => :job,
what => 'P_CLEAR_PACKBAL;',
next_date => to_date('04-08-2008 05:44:09', 'dd-mm-yyyy hh24:mi:ss'),
interval => 'sysdate+ 1/360');
commit;
end;
/
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´´½¨JOB
variable jobno number;
begin
dbms_job.submit(:jobno, 'P_CRED_PLAN;',SYSDATE,'SYSDATE+1/2880',TRUE);
commit;
ÔËÐÐJOB
SQL> begin
dbms_job.run(:job1);
end;
/
ɾ³ýJOB
SQL> begin
dbms_job.remove(:job1);
end;
/
DBA_JOBS
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SQL> select * from emp where sal>2999;
EMPNO ENAME JOB MGR HIREDATE ......
1. ´´½¨ Sequence
ʹÓÃÈçÏÂÃüÁîн¨sequence(Óû§ÐèÒªÓÐCREATE SEQUENCE »òÕßCREATE ANY SEQUENCEȨÏÞ):
CREATE SEQUENCE test_sequence
INCREMENT BY 1 -- ÿ´Î¼ÓµÄ¸öÊý¾Ý
START WITH 1 -- ´Ó1¿ªÊ¼¼ÆÊý
NOMAXVALUE& ......
. ´´½¨job
jobÊÇÊ²Ã´ÄØ? ¼òµ¥µÄ˵¾ÍÊǼƻ®(schedule)¼ÓÉÏÈÎÎñ˵Ã÷. ÁíÍ⻹ÓÐһЩ±ØÐëµÄ²ÎÊý.
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¿ÉÒÔÓÐÁ½ÖÖ·½Ê½À´¶¨Òå"¼Æ»®":
1) ʹÓÃDBMS_SCHDULER.CREATE_SCHEDULE ¶¨ÒåÒ»¸ö¼Æ»®;
2) µ÷ÓÃDBMS_SCHDULER.CREATE_JOBE¹ý³ÌÖ±½ÓÖ¸¶ ......