摘要： 1：热备份： 1 SHUTDOWN IMMEDIATE; 2 STARTUP MOUNT; 3 alter database archivelog; 4 --ALTER SYSTEM SET LOG_ARCHIVE_START=TRUE SCOPE=SPFILE; 5 6 ALTER SYSTEM RESET log_archive_start SCOPE=SPFILE SID='MyOrcl'; 7 ALTER DATABASE OPEN; 8 ALTER TABLESPACE USERS BEGIN BACKUP; 9 HOST COPY G:\app\zhaobin\or 阅读全文