#创建目录：mkdir -p /home/oracle/tools/clear_log/#编辑shell.sh 脚本vi /home/oracle/tools/clear_log/clear_arch.sh#!/bin/sh. ~/.bash_profilecd /home/oracle/tools/clear_logrman target /  log=clear_arch.log < clear_arch.sql##复制粘贴####编辑Shell调用的删除归档脚本：RMAN执行的delete=>sql操作vi /home/oracle/tools/clear_log/clear_arch.sqldelete noprompt archivelog until time 'sysdate-1';#编辑定时任务[oracle@bdp04 ~]$ crontab  -eno crontab for oracle - using an empty one#delete archive log --delete one day date archive log00 * * * * sh /home/oracle/tools/clear_log/clear_arch.sh 1>/tmp/clear_arch.log 2>&1