Oracle - Exception Handlers MCQ

Oracle – Exception Handlers

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1. What is the primary purpose of exception handling in Oracle PL/SQL?

To perform calculations

To simplify conditional logic

To declare variables

To manage and respond to errors

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2. What is an exception in Oracle PL/SQL?

A condition that always evaluates to true

A procedural statement

A type of loop

An event or error condition

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3. In PL/SQL, what do you use to define custom exceptions with meaningful names?

DECLARE EXCEPTION

CREATE EXCEPTION

DECLARE EXCEPTION NAME

RAISE EXCEPTION

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4. How do you associate exception names with error codes in PL/SQL?

Using the EXCEPTION_INIT pragma

By using the EXCEPTION keyword

By using the RAISE statement

Using the EXCEPTION_ASSIGNMENT clause

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5. What are named system exceptions in PL/SQL?

Exceptions with predefined names and error codes

User-defined exceptions

Exceptions related to arithmetic operations

Exceptions caused by syntax errors

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6. In PL/SQL, what is the scope of an exception?

Limited to the session in which it is declared

Limited to the main program

Limited to the block in which it is declared

Global and accessible from any block

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7. What is the purpose of the RAISE statement in PL/SQL?

To raise an exception explicitly

To perform calculations

To declare variables

To handle exceptions

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8. How can you handle exceptions in PL/SQL?

By terminating the program

By using exception handlers

By ignoring them

By raising additional exceptions

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9. What is the primary purpose of the RAISE_APPLICATION_ERROR function in PL/SQL?

To raise a user-defined exception with a custom error message and error code

To perform calculations

To handle exceptions

To declare variables

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10. What is the purpose of built-in error functions in PL/SQL?

To declare variables

To return information about the error that occurred

To handle exceptions

To perform calculations

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11. How can you handle multiple exceptions in a single exception handler in PL/SQL?

By using exception groups

By using separate handlers for each exception

By using WHEN OTHERS

By nesting exception handlers

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12. What happens when an exception is left unhandled in PL/SQL?

The exception is ignored

The program terminates

The program continues without interruption

The exception is automatically handled by the system

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13. In PL/SQL, what is the propagation of unhandled exceptions?

The manual handling of exceptions

The transfer of exceptions to another block

The termination of the program

The automatic handling of exceptions

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14. What is the purpose of the WHEN OTHERS clause in PL/SQL exception handling?

To handle any unhandled exception

To perform calculations

To declare variables

To raise additional exceptions

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15. What is the importance of deciding on an error management strategy in PL/SQL?

It provides a systematic approach to handling errors

It simplifies code

It helps in declaring variables

It ensures efficient calculations

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16. How can you standardize the handling of different types of exceptions in PL/SQL?

By ignoring exceptions

By using exception groups

By using different exception handlers for each type

By using the WHEN OTHERS clause

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17. What is the purpose of organizing the use of application-specific error codes in PL/SQL error management?

To create templates for handling exceptions

To simplify code

To ensure proper variable declaration

To provide meaningful information about errors

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18. In PL/SQL, what is the benefit of using standardized error management programs?

They simplify variable declaration

They raise exceptions automatically

They provide templates for handling exceptions

They perform calculations

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19. What are “exception objects” in PL/SQL error management?

Custom exceptions with predefined error codes

Error messages

A type of loop

Objects that store information about exceptions

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20. What is the purpose of creating standard templates for common error handling in PL/SQL?

To perform calculations

To declare variables

To raise exceptions

To simplify the handling of recurring errors

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21. In PL/SQL, how can you make the most of error management for improved program reliability?

By using GOTO statements

By following best practices in error handling

By ignoring exceptions

By raising exceptions for all errors

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Oracle – Exception Handlers MCQ