Oracle認證考試1Z0-031單項選擇題每日一練(2019.01.07)

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1 Which of the following choices identifies a database component that will be used for multiplexing control files?（）

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2 You are designing the physical database layout on your host machine. What is the relationship between tablespaces and datafiles in the Oracle database?（）

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3 You are identifying dictionary objects in the Oracle database. Which of the following is a view in the data dictionary?（）

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4 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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5 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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