crosscheck archivelog all;
delete noprompt expired archivelog all;
delete noprompt archivelog until time ‘sysdate-1‘;
删除log sequence为16及16之前的所有归档日志
delete archivelog until sequence 16;
删除系统时间7天以前的归档日志，不会删除闪回区有效的归档日志
delete archivelog all completed before ‘sysdate-7‘;
删除系统时间1天以内到现在的归档日志
delete archivelog from time ‘sysdate-3‘;
清除所有的归档日志
delete noprompt archivelog all completed before ‘sysdate‘;
清除所有的归档日志
delete noprompt archivelog all;
RMAN删除归档脚本
原文：https://www.cnblogs.com/liang545621/p/9410670.html
