oracle exception code example

Example 1: exception in plsql

DECLARE 
   c_id customers.id%type := 8; 
   c_name customerS.Name%type; 
   c_addr customers.address%type; 
BEGIN 
   SELECT  name, address INTO  c_name, c_addr 
   FROM customers 
   WHERE id = c_id;  
   DBMS_OUTPUT.PUT_LINE ('Name: '||  c_name); 
   DBMS_OUTPUT.PUT_LINE ('Address: ' || c_addr); 

EXCEPTION 
   WHEN no_data_found THEN 
      dbms_output.put_line('No such customer!'); 
   WHEN others THEN 
      dbms_output.put_line('Error!'); 
END;

Example 2: exception in oracle example

EXCEPTION  -- exception handlers begin

-- Only one of the WHEN blocks is executed.

   WHEN ZERO_DIVIDE THEN  -- handles 'division by zero' error
      dbms_output.put_line('Company must have had zero earnings.');
      pe_ratio := null;

   WHEN OTHERS THEN  -- handles all other errors
      dbms_output.put_line('Some other kind of error occurred.');
      pe_ratio := null;