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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;
À´²é¿´oracleÖÐjob_queue_processµÄÖµ¡£µ±job_queue_processֵΪ0ʱ±íʾȫ²¿Í£Ö¹oracleµÄjob£¬¿ÉÒÔͨ¹ýÓï¾ä
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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jdbcÁ¬½ÓOracle

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    ÎÒÕâÊÇÒ»¸ö²éѯÀý×Ó
    Ê×ÏÈ£¬Ô ......

oracleµÄTX lockÐÅÏ¢ÔÚÄÄÀ

ÎÒÃǶ¼ÖªµÀORACLE²»»á·¢ÉúËøÉý¼¶£¬Ëø¶ÔÓÚORACLEÀ´Ëµ²¢²»ÊÇϡȱ×ÊÔ´£¬ÎªÊ²Ã´DML lock¶ÔÓÚORACLEÀ´Ëµ²»ÊÇϡȱ×ÊÔ´£¬ÏÂÃæÀ´Ñ°ÕҴ𰸡£
SQL> select * from emp where sal>2999;
EMPNO ENAME      JOB         MGR HIREDATE     ......

oracle ¶ÔÏóµÄÊÚȨ Gold Country

OracleÊÚȨ
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GRANT Óï·¨£º
1.ÏÔʽÊÚȨ(Ö±½Ó½«¶ÔÏóÊÚȨ¸øÓû§)
 GRANT privilege [, ...] ON object [, ...]  TO  { Public| Group | Username|role} [WITH GRANT OPTION ]  
  
2.ÒþʽÊÚȨ(ͨ¹ý½«½ÇÉ«ÊÚȨ¸øÓû§)
 GRANT role TO  { Public| Group | Use ......

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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