首页 > 数据库 > Oracle > OCP认证052考试最新题库及答案整理-50
50、When does an incremental checkpoint occur?
• A. when DBWn writes dirty buffers as part of its normal process
• B. when the alter system checkpoint statement is executed.
• C. when a user tablespace is taken offline
• D. when an online redo log switch occurs
• Correct Answer: A
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