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Oracle_052_lesson_p14

發(fā)布時間:2020-04-04 15:25:51 來源:網(wǎng)絡(luò) 閱讀:440 作者:TONY16168 欄目:關(guān)系型數(shù)據(jù)庫

Backup and Recovery Concepts 備份和恢復(fù)的概念

you should be able to:
Identify the types of failure that can occur in an Oracle database
Describe ways to tune instance recovery
Identify the importance of checkpoints, redo log files, and archive log files
Configure the fast recovery area
Configure ARCHIVELOG mode

The database administrator’s duties are to:
Protect the database from failure wherever possible
Increase the mean time between failures (MTBF)
Protect critical components by redundancy
Decrease the mean time to recover (MTTR)
Minimize the loss of data

Oracle_052_lesson_p14

Oracle_052_lesson_p14

Oracle_052_lesson_p14

Oracle_052_lesson_p14

Oracle_052_lesson_p14

Oracle_052_lesson_p14

考:
Oracle_052_lesson_p14

Oracle_052_lesson_p14

Oracle_052_lesson_p14

考:
Oracle_052_lesson_p14

實例恢復(fù)調(diào)優(yōu):
Oracle_052_lesson_p14

Oracle_052_lesson_p14

Oracle_052_lesson_p14

Oracle_052_lesson_p14

Oracle_052_lesson_p14

Oracle_052_lesson_p14

Oracle_052_lesson_p14

Oracle_052_lesson_p14

archive log list; 查看是否開啟歸檔;
Oracle_052_lesson_p14

Oracle_052_lesson_p14

Oracle_052_lesson_p14

建議生產(chǎn)環(huán)境用FRA.

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