The Log Writer （LGWR） process reads information from the （）and writes it to the online logs.

The online redo log group configuration for your database is as follows： What will happen if the online redo log file ’ora02/oradata/redo02b.log’is corrupted while working on the database？（） 

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What is the architectural benefit of keeping WebLogic Server transaction log in the database?（）

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Identify the two situations in which the alert log file is updated with details. （）

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A media failure has occurred. This has resulted in all the members of the next log group being rendered inaccessible to the log writer process （LGWR） at a log switch. How does this failure affect the operational database？（）

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A junior level Database Administrator erroneously deleted the database alert log while users were accessing the database. Which action should you take to recover the alert log？（）  

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A media failure has occurred. This has resulted in all the members of the next hop log group being rendered inaccessible to the log writer process （LGWR） at a log switch. How does this failure affect the operational database？（）

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Redo log files are multiplexed in your database. The disk in which you have one of the redo log members is highly fragmented. In the process of defragmentation you lose the redo log member， which is not a member of the current group. How would you recover from the loss of the redo log member？（）

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Which statement is true regarding the Archiver （ARCn） process，archived log files，and recovery？ （）

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Identify the situations in which you use the alert log file in your database to check the detail.（）

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