You are developing a component by using the .NET Framework 3.5.The component provides a method named PrintPayroll.The component will be installed with full trust on the computer of the user. You need to ensure that the component can print without granting additional permissions to the calling application.Which code segment should you use?()
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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.
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
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