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What is the minimum number of redo log groups required for an Oracle database?

April 26, 2017groups log minimum oracle database redo

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What is the minimum number of redo log groups required for an Oracle database?

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The Oracle server writes redo log files in a circular motion. Two redo log groups are required to support this configuration. The default installation creates two redo log groups. To add redo log groups to the database, use the ALTER DATABASE ADD LOGFILE GROUP command.