Update readme.md

Author: HashimThePassionate

05_writing_complex_query/02_subqueries/readme.md

@@ -23,13 +23,18 @@ In this syntax:
 
 
 ```sql
-
-DELETE FROM orders
-WHERE c_id = (
-			SELECT customer_id
-			FROM customers
-			WHERE first_name = "Delano"
-			 );
+DELETE FROM customers 
+WHERE
+    customer_id IN (SELECT 
+        customer_id
+    FROM
+        (SELECT 
+            customer_id
+        FROM
+            customers
+        
+        WHERE
+            first_name = 'junaid') AS temp_table);
 ```
 
 
@@ -95,4 +100,4 @@ When using subqueries in UPDATE statements, consider the following:
 
 ## Conclusion
 
-Subqueries in the UPDATE statement offer a flexible approach to updating rows in a table based on conditions derived from other tables or complex logic. By understanding the syntax and considerations outlined in this documentation, you can effectively use subqueries in UPDATE statements to modify data in your MySQL database.
+Subqueries in the UPDATE statement offer a flexible approach to updating rows in a table based on conditions derived from other tables or complex logic. By understanding the syntax and considerations outlined in this documentation, you can effectively use subqueries in UPDATE statements to modify data in your MySQL database.