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oracle JOB

ÿÌì1µãÖ´ÐеÄoracle JOBÑùÀý
DECLARE
X NUMBER;
BEGIN
SYS.DBMS_JOB.SUBMIT
( job => X,
what => 'ETL_RUN_D_Date;',
next_date => to_date('2009-08-26 01:00:00','yyyy-mm-dd hh24:mi:ss'),
interval => 'trunc(sysdate)+1+1/24',
no_parse => FALSE
);
SYS.DBMS_OUTPUT.PUT_LINE('Job Number is: ' || to_char(x));
COMMIT;
END;
/
ÒÔÉÏÊÇÃ÷È·Ö¸¶¨Ã¿ÌìµÄ1µãÖ´ÐдËjob,Èç¹ûÖ¸¶¨ÊÇÿÌìÖÐÎç12µãÖ´ÐÐintervalÐèÒªÖ¸¶¨Îª'trunc(sysdate)+1+12/24',Èç¹û½ö½öÖ¸¶¨intervalΪһÌì,ÕâÑùµ±ÄãÊÖ¹¤ÓÃdbms_job.run(job)È¥ÔËÐÐÒ»´Îʱ,jobÿÌìµÄÖ´ÐÐʱ¼äÊÇ»á¸Ä±äµÄ,Èç¹ûÄãÏëjobÿÌìÔڹ̶¨Ê±¼äÖ´ÐÐ,¿ÉÒԲο¼ÉÏÃæµÄÀý×Ó.
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¢
£­£­£­£­£­£­£­£­£­£­£­£­£­£­£­£­£­£­£­£­£­£­£­£­£­
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;
/
£­£­£­£­£­£­£­£­£­£­£­£­£­£­£­£­£­£­£­£­£­£­£­£­£­
´´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
£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½£½
×ֶΣ¨ÁУ© ÀàÐÍ ÃèÊö
JOB NUMBER ÈÎÎñµÄΨһ±êʾºÅ
LOG_USER VARCHAR2(30) Ìá½»ÈÎÎñµÄÓû§
PRIV_USER VARCHAR2(30) ¸³ÓèÈÎÎñȨÏÞµÄÓû§
SCHEMA_USER VARCHAR2(30) ¶ÔÈÎÎñ×÷Óï·¨·ÖÎöµÄÓû§Ä£Ê½
LAST_DATE DATE ×îºóÒ»´Î³É¹¦ÔËÐÐÈÎÎñµÄʱ¼ä
LAST


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show parameter sga_max_size;
show parameter sga_target;
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alter system set sga_max_size=1600m scope=spfile;
alter system set sga_target=1600m scope=spfile;
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show parameter sga_ ......

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½ñÌìÔÚ»úÆ÷ÉÏ×°Oracle 10g£¬°²×°Íê³ÉÒÔºó³öÏÖ´íÎóÌáʾ¡°ORA-00988: ¿ÚÁîȱʧ»òÎÞЧ¡±£¬È»ºó¾ÍÎÞ·¨½øÈë¿ØÖÆÌ¨½øÐÐÏàÓ¦µÄ²Ù×÷ºÍ¹ÜÀí£¬ÎÒÒÔǰÔÚ°²×°Oracle 9ʱ²¢Ã»ÓгöÏÖ¹ý
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oracle mutex

An introduction to Mutexes in 10gR2
By Connie Green, Kumar Rajamani
from meetings with: Kumar Rajamani, Russell Green, Saureen Shah, Cecilia Gervasio and Connie Green
Introduction
This paper is intended as an introduction to mutexes.  It describes new concepts associated with mutexes, when ......

javaµ÷ÓÃoracle´æ´¢¹ý³Ì

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create or replace procedure adddept(deptno number,dname varchar2,loc varchar2)
as
  begin
    insert into dept values(deptno,dname,loc);
end;
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public class TestProcedure {
 Connectio ......

Oracleѧϰ±Ê¼ÇÖ®±í¿Õ¼äµÈ¸ÅÄî¼°Óû§È¨ÏÞ


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        ¿ÉÒÔн¨Êý¾Ý¿â£¬ ......
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