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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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Ìá½»jobÓï·¨£º
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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oracle ´æ´¢¹ý³ÌµÄ»ù±¾Óï·¨ ¼°×¢ÒâÊÂÏî
oracle ´æ´¢¹ý³ÌµÄ»ù±¾Óï·¨
1.»ù±¾½á¹¹
CREATE OR REPLACE PROCEDURE ´æ´¢¹ý³ÌÃû×Ö
(
    ²ÎÊý1 IN NUMBER,
    ²ÎÊý2 IN NUMBER
) IS
±äÁ¿1 INTEGER :=0;
±äÁ¿2 DATE;
BEGIN
END ´æ´¢¹ý³ÌÃû×Ö
2.SELECT INTO STATEMENT
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ѧϰOracleÖÐSequencesµÄʹÓÃ

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& ......

oracle pfileºÍspfileС½á

1¡¢pfile Îı¾Îļþ client¶Ë²ÎÊýÎļþ£»²»Äܶ¯Ì¬Ð޸ģ¬¿ÉÒÔÓÃÆÕͨµÄ±à¼­Æ÷Ð޸ģ¬ÐÞ¸ÄÖ®ºóÐèÒªÖØÆô¡£pfile¿ÉÄܻᵼÖ·þÎñÆ÷Æô¶¯²»Ò»Ö£¬ÒòΪ¿ÉÒÔÔÚ¿Í»§¶ËÆô¶¯¡£ 2¡¢spfile ¶þ½øÖÆÎļþ·þÎñÆ÷¶Ë²ÎÊýÎļþ£¬ÓÐÁËspfile£¬oracle¿ÉÒÔʵÏÖ¶¯Ì¬²ÎÊýÔÚÏßÐ޸쬲¿·Ö²ÎÊýÐÞ¸ÄÖ®ºóÎÞÐèÖØÆô¡£µ«ÊÇ£¬ÒòΪÊǶþ½øÖÆÎļþ£¬ËùÒÔ²»ÄÜÓÃÆÕͨµÄ±à¼­ ......

[×ªÔØ]oracleÖв鿴Óû§È¨ÏÞ

1.²é¿´ËùÓÐÓû§£º
  select * from dba_users;
  select * from all_users;
  select * from user_users;
2.²é¿´Óû§»ò½ÇɫϵͳȨÏÞ(Ö±½Ó¸³Öµ¸øÓû§»ò½ÇÉ«µÄϵͳȨÏÞ)£º
  select * from dba_sys_privs;
  select * from user_sys_privs;
3.²é¿´½ÇÉ«(Ö»Äܲ鿴µÇ½Óû§ÓµÓеĽÇÉ«)Ëù°üº¬µÄÈ ......

oracle job²»ÔËÐÐ ½â¾ö·½°¸

1) Instance in RESTRICTED SESSIONS mode?
¡¡¡¡Check if the instance is in restricted sessions mode:
¡¡¡¡select instance_name,logins from v$instance;
¡¡¡¡If logins=RESTRICTED, then:
¡¡¡¡alter system disable restricted session;
¡¡¡¡^-- Checked!
¡¡¡¡2) JOB_QUEUE_PROCESSES=0
¡¡¡¡Make sure th ......
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