From a2d50a1f13d079f3615dcf60c9fec62cca315a91 Mon Sep 17 00:00:00 2001
From: Aadit Agrawal <tech@aaditagrawal.com>
Date: Tue, 11 Feb 2025 16:15:52 +0530
Subject: [PATCH] Update DBMS/SQL/Week6/writeup.md

---
 DBMS/SQL/Week6/writeup.md | 33 ++++++++++++++++-----------------
 1 file changed, 16 insertions(+), 17 deletions(-)

diff --git a/DBMS/SQL/Week6/writeup.md b/DBMS/SQL/Week6/writeup.md
index 3ea13ec..1739e63 100644
--- a/DBMS/SQL/Week6/writeup.md
+++ b/DBMS/SQL/Week6/writeup.md
@@ -26,24 +26,23 @@ TOTAL_ACCD(2024)
 
 ### 2. Create a procedure to display total damage caused due to an accident for a particular driver on a specific year.
 ```SQL
-create or replace procedure tot_damage
-  (driver in varchar2, year in number) is
-  damage number := 0;  
-begin
-  select sum(damage_amount) into damage
-  from participated pa
-  natural join accident ac
-  where pa."driver_id#" = driver  
-  with quotes
-    and extract(year from ac.accd_date) = year;
+CREATE OR REPLACE PROCEDURE tot_damage
+    (driver IN VARCHAR2, year IN NUMBER) IS
+    damage NUMBER := 0;
+BEGIN
+    SELECT NVL(SUM(pa.DAMAGE_AMOUNT), 0) INTO damage
+    FROM participated pa
+    JOIN accident ac ON pa.REPORT_NUMBER = ac.REPORT_NUMBER
+    WHERE pa.DRIVER_ID# = driver
+      AND EXTRACT(YEAR FROM ac.ACCD_DATE) = year;
 
-  dbms_output.put_line('total damage: ' || nvl(damage, 0));
-exception
-  when no_data_found then
-    dbms_output.put_line('no data found for the given driver and year.');
-  when others then
-    dbms_output.put_line('an error occurred: ' || sqlerrm);
-end;
+    DBMS_OUTPUT.PUT_LINE('Total damage: ' || damage);
+EXCEPTION
+    WHEN NO_DATA_FOUND THEN
+        DBMS_OUTPUT.PUT_LINE('No data found for the given driver and year.');
+    WHEN OTHERS THEN
+        DBMS_OUTPUT.PUT_LINE('An error occurred: ' || SQLERRM);
+END;
 /
 ```
 ```sql