Log switch is

  1. It is the point at which ORACLE starts writing to one online redo log file and begins writing to another at same time

  2. It is the point at which ORACLE ends writing to one online redo log file and begins writing to another

  3. It is the point at which ORACLE starts writing to one online redo log file and ends writing to another

  4. It is the point at which ORACLE ends writing to one online redo log file and starts writing to another


Correct Option: B

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