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oracle dbms_backup_restore?Oracle?????dbms_backup_restore?????archive log??????????????????????????????```oracledeclare    devtype varchar2(256);    done boolean;begin    devtype := sys.dbms_backup_restore.deviceAllocate(type => '', ident => 't2');    sys.dbms_backup_restore.restoreSetArchivedLog(destination => '/archivelog02');    sys.dbms_backup_restore.restoreArchivedLog(thread => 2, sequence => 51500);    sys.dbms_backup_restore.restoreBackupPiece(done => done, handle => '/backup/zlhis/rman/AL_ZLHIS_20141030_862336902_23768_1', params => null);    sys.dbms_backup_restore.deviceDeallocate;end;

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??????????SQLPlus???????????????

> sqlplus "/as/sysdba"

??????????????Oracle???????????????????????????