Сделана 8 лаба

Lab8/Task3.sql

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+USE AdventureWorks;
+
+GO
+CREATE PROCEDURE Sales.GetDiscountsForCategoryAndDate
+@Category nvarchar(50) = NULL,
+@DateToCheck datetime = NULL
+AS
+BEGIN
+	IF @DateToCheck IS NULL SET @DateToCheck = GETDATE();
+	SELECT Description, DiscountPct, Type, Category, StartDate, EndDate, MinQty, MaxQty
+	FROM Sales.SpecialOffer
+	WHERE Category IN (@Category) AND (@DateToCheck BETWEEN StartDate AND EndDate);
+END
+
+EXEC Sales.GetDiscountsForCategoryAndDate 'Reseller'
+
+DECLARE @DateToCheck datetime
+SET @DateToCheck = DATEADD(MONTH, 1, GETDATE())
+EXEC Sales.GetDiscountsForCategoryAndDate 'Reseller', @DateToCheck