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QUESTION 16
You have a database that contains the tables as shown in the exhibit. (Click the Exhibit button.)
You have the following query:
You need to recreate the query to meet the following requirements: Reference columns by using one-part names only.
Sort aggregates by SalesTerritoryID, and then by ProductID.
Order the results in descending order from SalesTerritoryID to ProductID. The solution must use the existing SELECT clause and FROM clause.
Which code segment should you use?
To answer, type the correct code in the answer area.
A.
Correct Answer:
Explanation/Reference: SELECT SalesTerritoryID, ProductID, AVG(UnitPrice), MAX(OrderQty), MAX(DiscountAmount)
FROM Sales.Details
GROUP BY SalesTerritoryID , ProductID
ORDER BY SalesTerritoryID DESC, ProductID DESC

QUESTION 17
You have a database that contains the tables shown in the exhibit. (Click the Exhibit button).
You need to create a query for a report. The query must meet the following requirements:
NOT use object delimiters.
Return the most recent orders first.
Use the first initial of the table as an alias.
Return the most recent order date for each customer. Retrieve the last name of the person who placed the order.
Return the order date in a column named MostRecentOrderDate that appears as the last column in the report.
The solution must support the ANSI SQL-99 standard. Which code segment should you use?
To answer, type the correct code in the answer area.
A.
Correct Answer:
Explanation/Reference:
SELECT C.LastName, MAX(O.OrderDate) AS MostRecentOrderDate
FROM Customers AS C INNER JOIN Orders AS O
ON C.CustomerID = O.CustomerID
GROUP BY C.LastName
ORDER BY O.OrderDate DESC

QUESTION 18
You have an XML schema collection named Sales.InvoiceSchema. You need to declare a variable of the XML type named XML1. The solution must ensure that XML1 is validated by using Sales.InvoiceSchema. Which code segment should you use?
To answer, type the correct code in the answer area.
A.
Correct Answer:
Explanation/Reference:
DECLARE @XML1 XML(Sales.InvoiceSchema)
Reference: http://msdn.microsoft.com/en-us/library/ms176009.aspx

QUESTION 19
You have a database that contains the tables as shown in the exhibit. (Click the Exhibit button.)
You need to create a query that returns a list of products from Sales.ProductCatalog. The solution must meet the following requirements:
UnitPrice must be returned in descending order.
The query must use two-part names to reference the table.
The query must use the RANK function to calculate the results.
The query must return the ranking of rows in a column named PriceRank.
The list must display the columns in the order that they are defined in the table. PriceRank must appear last.
Which code segment should you use?
To answer, type the correct code in the answer area.
A.
Correct Answer:
Explanation/Reference:
SELECT ProductCatalog.CatID, ProductCatalog.CatName, ProductCatalog.ProductID, ProductCatalog.ProdName, ProductCatalog.UnitPrice,
RANK() OVER (PARTITION BY ProductCatalog.UnitPrice ORDER BY ProductCatalog. UnitPrice DESC) AS PriceRank
FROM Sales.ProductCatalog
ORDER BY ProductCatalog.UnitPrice DESC

QUESTION 20
You have a database that contains the tables shown in the exhibit. (Click the Exhibit button.)
You have an application named Appl. You have a parameter named @Count that uses the int data type. App1 is configured to pass @Count to a stored procedure. You need to create a stored procedure named usp_Customers for Appl. Usp_Customers must meet the following requirements:
NOT use object delimiters. Minimize sorting and counting.
Return only the last name of each customer in alphabetical order. Return only the number of rows specified by the @Count parameter. The solution must NOT use BEGIN and END statements.
Which code segment should you use?
To answer, type the correct code in the answer area.
A.
Correct Answer:
Explanation/Reference:
CREATE PROCEDURE usp_Customers @Count int
AS
SELECT TOP(@Count) Customers.LastName
FROM Customers
ORDER BY Customers.LastName

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