-- 10 only where alcoholicDrinkType = 'Wine'create trigger tr_WineAward_DrinkTypeon WineAwardafter insert, updateas if not exists (select * from MenuItem as mi join INSERTED as i on mi.itemNr = i.itemNr where mi.alcoholicDrinkType = 'Wine' and mi.itemNr = i.itemNr) begin raiserror ('WineAward cannot be designated to items that are not alcoholicDrinkType Wine.', 16, 1) rollback Transaction endgo-- 11 only where alcoholicDrinkType = 'Wine'create trigger tr_WineSupply_DrinkTypeon WineSupplyafter insert, updateas if not exists (select * from MenuItem as mi join INSERTED as i on mi.itemNr = i.itemNr where mi.alcoholicDrinkType = 'Wine' and mi.itemNr = i.itemNr) begin raiserror ('WineSupply cannot be designated to items that are not alcoholicDrinkType Wine.', 16, 1) rollback Transaction endgo-- 12 frequency of WineSupplycreate trigger tr_WineSupply_Frequencyon WineSupplyafter insert, updateasif Update (itemNr) if((select count(*) from WineSupply where itemNr = (select itemNr from inserted)) > 3) begin raiserror ('There cannot be more than 3 WineSupply entries with the same itemNr.', 16, 1) rollback Transaction end-- 13 lineitem = quantity * pricecreate trigger tr_LineItem_LineTotalon LineItemafter insert, updateasif Update (lineTotal) declare @unitPrice money declare @quantity int declare @total money set @unitPrice = (select unitPrice from INSERTED) set @quantity = (select quantity from INSERTED) set @total = @unitPrice * @quantity if not exists (select * from inserted where lineTotal = @total) begin raiserror ('Value inserted for lineTotal was incorrect.', 16, 1) rollback Transaction endgo