Oracle認證考試1Z0-031單項選擇題每日一練(2019.01.22)

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1 You are trying to determine how many disk sorts are happening on the database right now. Which of the following dictionary tables would you use to find that information?（）

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2 A user issues a SELECT command against the Oracle database. Which of the following choices describes a step that Oracle will execute in support of this statement?（）

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3 Which of the following datatypes are used in situations where you want an ordered set of data elements, where every element is the same datatype, and where you predefine the number of elements that appear in the set?（）

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4 You are trying to alter the initial segment size given to a table in a dictionary-managed tablespace. Which of the following keywords would be used as part of this process?（）

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5 You have implemented OMF for redo log management. Which of the following choices reflects a log filename that might be employed when OMF is enabled?（）

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