题目内容

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

A
B
C
D

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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？（）

A
B
C
D

数据仓库的特点包括（）。

A. 面向主题
B. 集成的
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
B. 1
C. 2
D. 3
E. 4

Given： What is the result？（）

A. Compilation fails.
B. atom granite
C. granite granite
D. atom granite granite
E. An exception is thrown at runtime.
F. atom granite atom granite