PL/SQL Control Statement Exercises: Display the description against a grade using CASE statement with EXCEPTION

PL/SQL Control Statement: Exercise-11 with Solution

Write a PL/SQL program to display the description against a grade using CASE statement with EXCEPTION.

Sample Solution:

PL/SQL Code:

DECLARE
    grd CHAR(1);
  BEGIN
    -- Accept value for grade
    grd := '&new_grd';
  CASE 
    WHEN grd = 'A' THEN dbms_output.Put_line('Your Grade is: Outstanding');
    WHEN grd = 'B' THEN dbms_output.Put_line('Your Grade is: Excellent');
    WHEN grd = 'C' THEN dbms_output.Put_line('Your Grade is: Very Good');
    WHEN grd = 'D' THEN dbms_output.Put_line('Your Grade is: Average');
    WHEN grd = 'F' THEN dbms_output.Put_line('Your Grade is: Poor');
  END CASE;
EXCEPTION
  WHEN CASE_NOT_FOUND THEN
    dbms_output.Put_line('No such grade in the list.');
  END;
/

Sample Output:

Enter value for new_grd: M
old   5:     grd := '&new_grd';
new   5:     grd := 'M';
No such grade in the list.

PL/SQL procedure successfully completed.

Flowchart:

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