SQL Join Query Writing
Problem
Write a SQL query involving a JOIN — for example, given an orders table and a customers table, list each customer's name alongside their total number of orders.
Schema
customers(customer_id, name, city)orders(order_id, customer_id, order_value, created_at)
Output
- One row per customer with their name and order count (or order total), including customers with zero orders when the prompt asks for all customers
Example
- customers = {1: Asha, 2: Ravi}; orders = {(10, 1), (11, 1)}
- Result: Asha → 2, Ravi → 0
asked …