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For win:
1¡¢Ð½¨Ò»¸öÅú´¦ÀíÎļþb.bat£¬¸ÃÎļþĿ¼ÏÂÒªÓÐexp.exeÎļþ
    Åú´¦ÀíÎļþÄÚÈÝ£º
  exp userid=user/passfile=i:\db%date:~0,10%.dmp log=i:\db%date:~0,10%.log
2¡¢Ð½¨ÈÎÎñ¹ØÁªb.batÎļþ¼´¿É¡£
For linux:
1¡¢Çе½oracleÓû§ÏÂн¨Ò»¸öÎļþ£¬Èçb.sh  £¬²¢¸³ÓÚ¿ÉÖ´ÐÐȨÏÞ chmod +x b.sh
tim=`date +%Y%m%d`
mday10=`date -d "10 days ago" +%Y%m%d`
unset USERNAME
/prod/proddb/9.2.0/bin/exp userid=wlpos/wlpos  file=/prod/dmbackup/dmp/dat$tim.dmp buffer=2048000 >>/prod/dmbackup/log/log$tim.log 2>&1
/usr/bin/gzip /prod/dmbackup/dmp/dat$tim.dmp
/usr/bin/rcp /prod/dmbackup/dmp/dat$tim.dmp.gz backup51:/backup/rman/dmbackup/
/bin/rm -f  /prod/dmbackup/dmp/dat$mday10*.dmp.gz
2¡¢Çе½rootÓû§ÏÂн¨Ò»¸öÎļþ£¬Èçback.sh    £¬²¢¸³ÓÚ¿ÉÖ´ÐÐȨÏÞ chmod +x back.sh
  su - oracle -c "/prod/b.sh"
3¡¢¶¨ÒåÈÎÎñ¶¨Ê±Ö´Ðб¸·Ý£ºcrontab -e
1 30 * * *   /prod/back.sh


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ת×Ô£ºhttp://download.oracle.com/docs/cd/B13789_01/server.101/b10759/statements_6004.htm
Creating User-Defined Operators: Example
This example creates a very simple functional implementation of equality and then creates an operator that uses the function:
CREATE FUNCTION eq_f(a VARCHAR2, b VARCHA ......

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ʾÀýÒ»£ºdelete from emp;
ʵÀý¶þ£ºtruncate table emp;
µ±Ê¹ÓÃdeleteɾ³ýʱ£¬ËäȻɾ³ýÁ˱íÖеÄËùÓÐÊý¾Ý£¬µ«ÊÇûÓÐÊͷűíËùÕ¼µÄ¿Õ¼ä£¬Èç¹ûÓû§È·¶¨ÒªÉ¾³ý±íÖÐËùÓÐÊý¾Ý£¬Ê¹ÓÃʵÀý¶þÓï¾äËٶȸü¿ì¡£deleteÓï¾ä¿ÉÒÔ»ØÍË£¬µ«truncateÓï¾ä²Ù×÷²»ÄÜ»ØÍË£¬Ö´ÐеÄʱºòÒª¶à¼Ó×¢ÒâÕâÒ»µã¡£ ......

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create cluster emp_dept_cluster
(deptno number(2)) size 1024;
size 1024 ±íʾÿ¸ö¾Û´Ø¼üÖµ¹ØÁª´óÔ¼1024×Ö½ÚµÄÊý¾Ý,
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create index emp_dept_cluster_id ......

DB2ºÍORACLEµÄÓ¡Ïó±È½Ï

Ò»¸öÏîÄ¿ÐèÒªDB2£¬ÒÔǰûÓùý£¬ÓÃÁËWINDOWS 2008ϵÄDB29.7 ºÃ¼¸ÖÜ£¬ËãÈëÃÅÁ˰ɣ¬ÏÂÃæÕâÎÄÕ¾͵±Ò»¸öORACLEʹÓÃÕßÑÛÀïµÄDB2µÄÓ¡Ïó°É£¬Ò²ÐíÓÐЩ¶«Î÷¿ÉÄÜÓÐÆ«²î£¬µ«ÊǾÍÊÇÎÒ×Ô¼ºµÄÓ¡Ïó£º
1¡¢Ìåϵ½á¹¹£¬DB2µÄʵÀýºÍÊý¾Ý¿â·Ö¿ªµÄ×ö·¨£¬ÎÒ¸öÈË»¹ÊDZȽÏϲ»¶µÄ£¬ÒòΪʵÀý¿ÉÒÔ´´½¨¶à¸ö£¬Êý¾Ý¿âµÄ»Ö¸´Ö±½Ó»Ö¸´µ½ÊµÀýϾͿÉÒÔÁË£¬Ïà¶ ......
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