单选题Which technique retrieves the error number when explicit DML fails?()A SQLCODE in an On-Error trigger. B SQLCODE in an exception handler. C DBMS_ERROR_CODE in an On-Error trigger. D DBMS_ERROR_CODE in an exception handler.

题目
单选题
Which technique retrieves the error number when explicit DML fails?()
A

SQLCODE in an On-Error trigger. 

B

SQLCODE in an exception handler. 

C

DBMS_ERROR_CODE in an On-Error trigger. 

D

DBMS_ERROR_CODE in an exception handler. 

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相似问题和答案

第1题:

Given:Which exception or error will be thrown when a programmer attempts to run this code?()

A.java.lang.StackOverflowError

B.java.lang.IllegalStateException

C.java.lang.ExceptionInInitializerError

D.java.lang.ArrayIndexOutOfBoundsException


参考答案:C

第2题:

Which the statement is true?()

  • A、 The Error class is a Runtime Exception.
  • B、 No exceptions are subclasses of Error.
  • C、 Any statement that may throw an Error must be enclosed in a try block.
  • D、 any statement that may throw an Exception must be enclosed in a try block.
  • E、 Any statement that may throw an Runtime Exception must be enclosed in a try block.

正确答案:B

第3题:

Given:What is the result when the programmer attempts to compile the code and run it with the command java Converter 12?()

A. It is true that j==i.

B. It is false that j==i.

C. An exception is thrown at runtime.

D. Compilation fails because of an error in line 13.


参考答案:D

第4题:

static void test() throws Error {  if (true) throw new AssertionError();  System.out.print(”test “);  }  public static void main(String[] args) {  try { test(); }  catch (Exception ex) { System.out.print(”exception “); }  System.out.print(”elld “);  }  What is the result?() 

  • A、 end
  • B、 Compilation fails.
  • C、 exception end
  • D、 exception test end
  • E、 A Throwable is thrown by main.
  • F、 An Exception is thrown by main.

正确答案:E

第5题:

11. static class A {  12. void process() throws Exception { throw new Exception(); }  13. }  14. static class B extends A {  15. void process() { System.out.println(”B”); }  16. }  17. public static void main(String[] args) {  18. new B().process();  19. }  What is the result?() 

  • A、 B
  • B、 The code runs with no output.
  • C、 Compilation fails because of an error in line 12.
  • D、 Compilation fails because of an error in line 15.
  • E、 Compilation fails because of an error in line 18.

正确答案:A

第6题:

Error和Exception下列说法正确的是()。 

  • A、Error表示系统级的错误。
  • B、Error表示程序不必处理的异常。
  • C、Exception表示需要捕捉的异常。
  • D、Exception表示需要程序进行处理的异常。

正确答案:A,C

第7题:

You need to create a data block for DML operations in the NEW_EMPLOYEE form module. Which data source can you use for this block?()

  • A、REF cursor query. 
  • B、Stored function. 
  • C、From clause query. 
  • D、Transactional trigger.

正确答案:D

第8题:

Given:What is the result when method testIfA is invoked?()

A.True

B.Not true

C.An exception is thrown at runtime.

D.Compilation fails because of an error at line 12.

E.Compilation fails because of an error at line 19.


参考答案:A

第9题:

You are creating an error page that provides a user-friendly screen whenever a server exception occurs.You want to hide the stack trace, but you do want to provide the exception’s error message to the user sothe user can provide it to the customer service agent at your company.  Which EL code snippet inserts thiserror message into the error page?()

  • A、Message: <b>${exception.message}</b>
  • B、Message: <b>${exception.errorMessage}</b>
  • C、Message: <b>${request.exception.message}</b>
  • D、Message: <b>${pageContext.exception.message}</b>
  • E、Message: <b>${request.exception.errorMessage}</b>

正确答案:D

第10题:

11. static classA {  12. void process() throws Exception { throw new Exception(); }  13. }  14. static class B extends A {  15. void process() { System.out.println(”B “); }  16. }  17. public static void main(String[] args) {  18.A a=new B();  19. a.process();  20.}  What is the result?() 

  • A、 B
  • B、 The code runs with no output.
  • C、 An exception is thrown at runtime.
  • D、 Compilation fails because of an error in line 15.
  • E、 Compilation fails because of an error in line 18.
  • F、 Compilation fails because of an error in line 19.

正确答案:F

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