摘要：Flashback Database:ExamplesTo flashback:Mounted(in exlusive mode)databseRMAN>FLASHBACK DATABASE TO TIME = "TO_DATE('2009-05-27 16:00:00','YYYY-MM-DD HH24:MI:SS')";RMAN>FLASHBACK DATABASE TO SCN=23536;RMAN>FLASHBACK DATABASE TO SEQUENCE=223 TRHRED=1;Monitor progress 阅读全文

摘要：Configuring Flashback Database如何查看数据库是否处于归档模式？mount database之后，执行如下命令SQL> select log_mode from v$database;LOG_MODE------------ARCHIVELOGconn as sysdba后，执行如下命令:SQL> archive log list;Database log mode Archive ModeAutomatic archival EnabledArchive destination USE_DB_... 阅读全文

摘要：Flashback DatabaseThe Flashdback Database operation:Works like a rewind button for the database.Can be used in cases of logical data corruptions madeb by usersFlashsback Database:Reducing Restore TimeFlashback Database Architecture 阅读全文

摘要：ObjectivesAfter completing this lesson,you should be able to:Describe FlashbacktechnologyConfigure Flashback DatabasePerform Flashback Database operationsMonitor Flashback DatabaseFlashback Technolog:BenefitsTe Flashback technology is a revolutionary advantage in recovery.Traditional recovery techni 阅读全文

摘要：在sys dba 用户下1、打开此功能:alter database enable block change tracking using file '/u01/arcerzhang/track.bin';当在进行增量备份的时候，Oracle的进行增量备份的原理就是根据每个文件头部分的scn号，来判断哪些需要增量备份哪些不需要增量备份.在10g以前，Oracle是去读每个block上的头信息进行判断的，自10g开始，新增了track功能.每当数据库的数据发生变化时，就会在指定的track文件中进行记录。这样在进行增量备份的时候，不需要每个block都去读，而是直接去读预先设定好 阅读全文