Return rate

SQL query for Bol

Calculate the return rate by dividing the count of returns by the count of orders.

SELECT (COUNT(r.return_id) * 1.0) / COUNT(o.order_id) FROM orders o LEFT JOIN returns r ON o.order_id = r.order_id

Bol data model

Table Promotions

Table Invoices

Table Inventory

Table Orders

Table Returns

Table Shipments

Table Replenishments

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