Q
What is the redo log writing pattern?
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A
Only to the first group always
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B
To archived logs only
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C
Randomly to any group
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D
LGWR writes to online redo log groups in a circular fashion
Correct Answer:
D. LGWR writes to online redo log groups in a circular fashion
Explanation:
When the last group fills, LGWR switches back to the first (after it is archived, if needed).