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7prince asked:

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How Can I modify the query below to give 2% discount for that line item If an order contains five or more units of a given product. AND give 5% discount for that line item If an order contains 10 or more units of a given product.
 
For some reason it only gives me an output for the the items that 10 or more. I need to show both discounts in the output. Thank you.
 

SELECT ORDERS.orderid, 
INVENTORY.partid, 
Inventory.description, 
ORDERITEMS.qty,
 Inventory.price,
 (OrderItems.qty * Inventory.price) as 'Total Original Price',
 
--If an order contains five or more units of a given product,  give a 2% discount for that line item. 
 (OrderItems.qty * Inventory.price * 
 CASE WHEN OrderItems.qty >= 5 THEN 0.05 ELSE 0.1 END) as 'Total Discounted Value',
 
--If an order contains ten or more units of a given product,   give a 5% discount on that line item.
(OrderItems.qty * Inventory.price * 
 CASE WHEN qty >=10 THEN 0.95/0.9 END) as 'Total Final Price of Each Product After Discount' 
 
 FROM orders, inventory, orderitems
 WHERE ORDERS.ORDERID = ORDERITEMS.ORDERID  AND ORDERITEMS.PARTID = INVENTORY.PARTID
 AND ORDERITEMS.qty >=5 AND ORDERITEMS.qty >=10
 
 ORDER BY ORDERS.orderid, INVENTORY.partid
Tags: SQL-server-2005

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