The following example selects the description, discount percentage, minimum quantity, and maximum quantity for all special offers in AdventureWorks. If the maximum quantity for a particular special offer is NULL, the MaxQty shown in the result set is 0.00.
USE AdventureWorks;
GO
SELECT Description, DiscountPct, MinQty, ISNULL(MaxQty, 0.00) AS 'Max Quantity'
FROM Sales.SpecialOffer;
GO
Description DiscountPct MinQty Max Quantity
--------------- ------------- -------- ---------------
No Discount 0.00 0 0
Volume Discount 0.02 11 14
Volume Discount 0.05 15 4
Volume Discount 0.10 25 0
Volume Discount 0.15 41 0
Volume Discount 0.20 61 0
Mountain-100 Cl 0.35 0 0
Sport Helmet Di 0.10 0 0
Road-650 Overst 0.30 0 0
Mountain Tire S 0.50 0 0
Sport Helmet Di 0.15 0 0
LL Road Frame S 0.35 0 0
Touring-3000 Pr 0.15 0 0
Touring-1000 Pr 0.20 0 0
Half-Price Peda 0.50 0 0
Mountain-500 Si 0.40 0 0
(16 row(s) affected)