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vi /opt/back.sh(oracleÓû§)
#!/bin/ksh
tim=`date +%Y%m%d`
unset USERNAME
#export DISPLAY=0.0.0.0:0.0
#export ORACLE_BASE=/home/oraprod3
#export ORACLE_HOME=/prod/oracle/prod3db/9.2.0
#export ORACLE_SID=PROD3_db
#export LD_LIBRARY_PATH=/prod/oracle/prod3db/9.2.0/lib
#export ORACLE_TERM=vt100
#export ORA_NLS33=/prod/oracle/prod3db/9.2.0/ocommon/nls/admin/data
#export NLS_LANG=AMERICAN_AMERICA.zhs16gbk
#export PATH=/prod/oracle/prod3db/9.2.0/bin
#export LD_ASSUME_KERNEL=2.2.5
#export TMPDIR=/tmp
/prod/oracle/prod3db/9.2.0/bin/exp userid=mkoa/mkoapass  file=/prod/oracle/c/exp/dmp/dat$tim.dmp buffer=2048000 >>/prod/oracle/c/exp/log/log$tim.log 2>&1
/usr/bin/gzip /prod/oracle/c/exp/dmp/dat$tim.dmp
------------------------------
vi /opt/oraback.sh(rootÓû§)
su - oracle -c "/opt/back.sh"
------------
[root@rac2 bin]# chmod +x back.sh
[root@rac2 bin]# chmod +x oraback.sh
[root@rac2 bin]# crontab -e
1 30 * * *   /opt/oraback.sh


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ʵսLinux Bluetooth±à³Ì(Áù) L2CAP±à³ÌʵÀý

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 Èç¹ûÒªÖ±½Ó·¢ËÍSignaling Command.ÐèÒª½¨Á¢SOCK_RAWÀàÐ͵ÄL2CAPÁ¬½ÓSocket¡£ÕâÑù²ÅÓлú»á×Ô¼ºÌî³äCommand Code£¬Identi ......

ORACLE±¸·Ý²ßÂÔ(ORACLE BACKUP STRATEGY)

ORACLE±¸·Ý²ßÂÔ(ORACLE BACKUP STRATEGY)
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Oracle±í¿Õ¼ä¹ÜÀí

extent--×îС¿Õ¼ä·ÖÅ䵥λ --tablespace management
block --×îСi/oµ¥Î»      --segment    management
create tablespace james
datafile '/export/home/oracle/oradata/james.dbf'
size 100M ¡¡¡¡¡¡¡¡¡¡¡¡--³õʼµÄÎļþ´óС¡¡
autoextend On¡¡¡¡¡¡¡¡ --×Ô¶¯Ôö³¤
next 10M¡ ......

oracle ×Ö¶Î×¢ÊÍ Êý¾Ý×ÖµäÏÔʾ

select  lower( column_name) ||','||'--'||comments
from user_col_comments    c
where c.table_name  = upper('acc_fundcap')
SELECT * from USER_TAB_COMMENTS WHERE TABLE_NAME='T_META';
INSERT INTO ±íÃû(×Ö¶ÎÃû1, ×Ö¶ÎÃû2) SELECT ×Ö¶ÎÃû1, ×Ö¶ÎÃû2 from ÁíÍâµÄ±íÃû; ......

LinuxÏÂÅäÖÃTOMCAT·þÎñ

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# chmod u+x ./jdk-1_5_0_14-linux-i586-rpm.bin
# ./jdk-1_5_0_14-linux-i586-rpm.bin
¶þ¡¢°²×°tomcat
   tar zxvf apache-tomcat-5.5.25.tar.gz
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#  useradd  tomcat 
#  passwd   tomcat
#  chown  -R  tomcat:tomcat&n ......
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