Oracle認證考試1Z0-031單項選擇題每日一練(2019.01.12)

來源：考試資料網(wǎng)

1 Flushing dirty buffers out of the buffer cache is influenced to the greatest extent by which of the following process?（）

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2 When an UNDO segment is created manually by you, its availability status is set to which of the following automatically by Oracle?（）

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3 You have a long-running process you want to assign to a specific UNDO segment brought online for that express purpose. You are not using automatic UNDO management. What statement can be used for this task? （）

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4 You are about to create your Oracle data dictionary for use with the database. Which of the following users would you connect to the database as for this purpose in Oracle9i and later releases?（）

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5 The user is trying to execute a SELECT statement. Which of the following background processes will obtain data from a disk for the user?（）

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