Sunday, 28 June 2009

Architecture and Administration Q017

What is the minimum number of online redo log files regired in a database.



1. One
2. Two
3. Three
4. Four
5. Zero



Answer 2 - There should be at east two redo log files in a dadtabase. The LGWR process writes to the redo log files in a circular manner, therby implying a minimum of two files, one being written, the other already written to.

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