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create sequence JOBSEQ
minvalue 1
maxvalue 999999999999
start with 1
increment by 1
cache 20;
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http://freeglad.javaeye.com/blog/586444
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backup.sh
rq=`date '+%Y%m%d%H%M'`
su - oracle -c "exp zjhk/zjhk_123 owner=zjhk file=/home/oracle/zjhk_$rq.dmp"
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crontab -u root /root/root_cron
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#Îļþ root_cron
01 00 * * * /etc/root_exp.sh
#Îļþroot_exp.sh
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