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8 Questions

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Exception Handling in PL/SQL

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Questions and Answers

What keyword is used in PL/SQL to explicitly generate an exception?

EXCEPTION
RAISE (correct)
THEN
BEGIN

What action is specified within the EXCEPTION block in PL/SQL?

Handling exceptions (correct)
Generating exceptions
Variable declarations
Conditional checks

In the given PL/SQL code, what will happen if the value of 'crno' is greater than 3?

'crno' will be set to 0
'crno' will be set to 3
'crno' will be ignored
An exception will be raised (correct)

What does 'dbms_output.put_line' do in PL/SQL?

Outputs a message to the screen (A) Signup and view all the answers

Which data type is used for 'sno' in the PL/SQL code snippet?

&rollno (B) Signup and view all the answers

What does the 'RAISE invalid_total;' statement do in PL/SQL?

Generates a user-defined exception (B) Signup and view all the answers

What is the purpose of the 'set serveroutput on;' statement in PL/SQL?

Enables output display (A) Signup and view all the answers

Why is 'Total number of courses cannot be more than 3' displayed in the output?

'crno' was set to 5 (A) Signup and view all the answers