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     oracleʵÀýÆô¶¯Ê±¶ÁÈ¡pfile²ÎÊýÎļþ£¬ÐÞ¸Äpfile³õʼ»¯²ÎÊýÎļþºó£¬±ØÐëÖØÐÂÆô¶¯ÊµÀý²ÅÄÜÉúЧ¡£ 
     pfile²ÎÊýÎļþÓëspfile²ÎÊýÎļþ¶¼ÊÇÓÃÀ´´æ·Å³õʼ»¯²ÎÊýµÄÎïÀíÎļþ£¬pfileÒÔÎı¾ÎļþµÄÐÎʽ´æ´¢£¬ÓŵãÊÇÒ×Óڲ鿴ÓëÐ޸ģ»spfileÒÔ¶þ½øÖƵÄÐÎʽ´æ´¢£¬ËäÈ»ÄÜʵÏÖÒÔʵÀý²ÎÊýµÄ¶¯Ì¬Ð޸ģ¬µ«²»ÄÜÖ±½ÓÐ޸ģ¬Ö±½ÓÐ޸ĻáËð»µspfile²ÎÊýÎļþ£¬´Ó¶øÒýÆðʵÀýÆô¶¯Ê§°Ü¡£
     pfileÎļþµÄĬÈÏÃû³ÆΪ init<SID>.ora
     spfileÎļþµÄĬÈÏÃû³ÆΪ  spfile<SID>.ora
     Á©ÎļþµÄλÖÃÔÚ  <$oracle_home>/product/10.2.1/db_1/dbs/
     ³õʼ»¯²ÎÊýÎļþµÄÓÅÏȼ¶Îª spfile<sid>.ora   ---->  spfile.ora ---->  init<SID>.ora
     ¿ÉÒÔʹÓà show parameter spfile ²é¿´µ±Ç°¿´ÕýÔÚʹÓõijõʼ»¯²ÎÊýÎļþÊÇÄĸö
spfileÓëpfileµÄ»¥Ïàͬ²½
create pfile from spfile  »ò
create pfile = <pfilename> from spfile = <spfilename>
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create spfile = <spfilename> from pfile = <pfilename>
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  9CREATE TABLESPACE data01
 10DATAFILE '/ora ......

Oracleѧϰ±Ê¼Çժ¼2

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      sum
      avg         ......

Oracleѧϰ±Ê¼Çժ¼7

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create sequence seq1 start with 7935;
create or replace function insert ......

Oracleѧϰ±Ê¼Çժ¼10

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    µ¼³öexp  exportËõдÐÎʽ
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Oracle Job Óï·¨ºÍʱ¼ä¼ä¸ôµÄÉ趨

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alter system set job_queue_processes=39 scope=spfile;//×î´óÖµ²»Äܳ¬¹ý1000 ;job_queue_interval = 10 //µ÷¶È×÷ҵˢÐÂƵÂÊÃëΪµ¥Î»
job_queue_process ±íʾoracleÄܹ»²¢·¢µÄjobµÄÊýÁ¿£¬¿ÉÒÔͨ¹ýÓï¾ä¡¡¡¡
show parameter job_queue_process;
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