SQL Join Across Three Tables | Dataford Interview Questions

Write a SQL join query using three tables.

Use the provided customers, orders, and payments tables. Return every order with its customer name and payment status, including orders that have no matching payment record.

Output

One row per order, with columns customer_name, order_id, order_status, and payment_status
Include all orders and use NULL when no payment exists
Order by order_id ascending

Schema

customers

Column	Type	Description
customer_idPK	INT	Unique customer identifier
customer_name	VARCHAR(100)	Customer display name
email	VARCHAR(255)	Customer email address

orders

Column	Type	Description
order_idPK	INT	Unique order identifier
customer_id	INT	Customer who placed the order
order_status	VARCHAR(30)	Current order status
order_date	DATE	Date the order was created

payments

Column	Type	Description
payment_idPK	INT	Unique payment identifier
order_id	INT	Order associated with the payment
payment_status	VARCHAR(30)	Current payment status
amount	NUMERIC(10,2)	Payment amount

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Problem