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Products tablosunda UnitPrice alanı
"0-10" ise UnitPrice alanına dokunmasın ,
"11-25" arası ise %5 indirim ,
"26-50" arası %10 indirim ,
"51-100" arası ise %15 indirim ,
%100den büyük ise %25 indirim uygulayın
Bu problemi CURSOR kullanarak yapınız
*/
Select UnitPrice From Products
Go
DECLARE UnitPrice CURSOR FOR SELECT UnitPrice From Products
Open UnitPrice
Fetch Next From UnitPrice
While @@FETCH_STATUS = 0
Fetch Next From UnitPrice
Close UnitPrice
DEALLOCATE UnitPrice
Go
Declare @UnitPrice MONEY
Declare @CR_UnitPrice Cursor
Set @UnitPrice = Cursor For select UnitPrice from Products
Open @CR_UnitPrice
Fetch Next From @CR_UnitPrice
Into @UnitPrice
Select UnitPrice From Products
While @@FETCH_STATUS = 0
BEGIN
If @UnitPrice < 10
Update Products Set UnitPrice = (UnitPrice)
Where Current OF @UnitPrice
else if @UnitPrice <25
update Products set UnitPrice = (UnitPrice-(UnitPrice*0.05))
else if @UnitPrice <50
update Products set UnitPrice = (UnitPrice-(UnitPrice*0.1))
else if @UnitPrice <100
update Products set UnitPrice = (UnitPrice-(UnitPrice*0.15))
else if @UnitPrice > 100
update Products set UnitPrice = (UnitPrice-(UnitPrice*0.25))
FETCH NEXT FROM @CR_UnitPrice INTO @UnitPrice
END
SELECT UnitPrice FROM Products
CLOSE @CR_UnitPrice
DEALLOCATE @CR_UnitPrice
END
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