Whichfourareattributesofsinglerowfunctions?（）
A. cannotbenested
B. manipulatedataitems
C. actoneachrowreturned
D. returnoneresultperrow
E. acceptonlyoneargumentandreturnonlyonevalue
F. acceptargumentswhichcanbeacolumnoranexpression
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Click the Exhibit button. Given： Which statement is true if a TestException is thrown on line 3 of class B？（）
A. Line 33 must be called within a try block.
B. The exception thrown by method1 in class A is not required to be caught.
C. The method declared on line 31 must be declared to throw a runtimeexception.
D. On line 5 of class A,the call to method2 of class B does not need to be placed in a trycatch block.
You discover that a disk failure occurred on DISK3 where the data file belonging to the USER_DATA tablespace is stored. The database is currently open and you need to recover the data file. You will restore the data file from the backup on DISK5 to DISK2. What is the correct sequence of commands to restore and recover the data file？（）
A
B
C
D
Which five methods，inserted independently at line 5，will compile？（）
A. public int blipvert（int x）{return 0；}
B. private int blipvert（int x）{return 0；}
C. private int blipvert（long x）{return 0；}
D. protected int blipvert（long x）{return 0；}
E. protected long blipvert（long x）{return 0；}
F. protected long blipvert（int x， int y）{return 0；}
Given： What is the result？（）
A. Compilation fails.
B. pi is bigger than 3.
C. An exception occurs at runtime.
D. pi is bigger than 3. Have a nice day.
E. pi is not bigger than 3. Have a nice day.
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