题目内容

Click the Exhibit button. What is the result？（）

A. 4321
B. 0000
C. An exception is thrown at runtime.
D. Compilation fails because of an error in line 18.

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更多问题

You created a database by using the Database Configuration Assistant. What must you do to access a user account in the sample schemas？（）

A
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You company has four DBAs. You need to know which DBA added a column to the JOB_HISTORY table. The database cannot be offline during work hours. Which LogMiner command can you use to find out which user made the table change？（）

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数据仓库的特点包括（）。

A. 面向主题
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C. 相对稳定的
D. 反映历史变化的

Given： And the following five fragments： public static void main（String...a） { public static void main（String.* a） { public static void main（String... a） { public static void main（String[]... a） { public static void main（String...[] a） { How many of the code fragments， inserted independently at line 2， compile？（）

A. 0
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C. 2
D. 3
E. 4