Ensurepass

QUESTION 101

You want to add a new GUID column named BookGUID to a table named dbo.Book that already contains data. BookGUID will have a constraint to ensure that it always has a value when new rows are inserted into dbo.Book. You need to ensure that the new column is assigned a GUID for existing rows. Which four Transact-SQL statements should you use? (To answer, move the appropriate SQL statements from the list of statements to the answer area and arrange them in the correct order.)

 

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Correct Answer:

 

image095

 

Explanation:

Actually, in the real world, you don’t have to use WITH VALUES at the end of the statement and it works just as well. But because the question specifically states which FOUR TSQL statements to use, we have to include it.

http://msdn.microsoft.com/en-us/library/ms190273.aspx

 

 

 

 

 

 


 

QUESTION 102

You administer a Microsoft SQL Server 2012 database. The database contains a table named Employee. Part of the Employee table is shown in the exhibit. (Click the Exhibit button.)

 

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Unless stated above, no columns in the Employee table reference other tables.

Confidential information about the employees is stored in a separate table named EmployeeData. One record exists within EmployeeData for each record in the Employee table.

You need to assign the appropriate constraints and table properties to ensure data integrity and visibility. On which column in the Employee table should you a create a self-reference foreign key constraint?

 

A.

DateHired

B.

DepartmentID

C.

EmployeelD

D.

EmployeeNum

E.

FirstName

F.

JobTitle

G.

LastName

H.

MiddleName

I.

ReportsToID

 

Correct Answer: I

 

 

QUESTION 103

You need to create a table named OrderDetails on a new server. OrderDetails must meet the following requirements:

 

– Contain a new column named LineltemTotal that stores the product of ListPrice and Quantity for each row.

– The calculation for a line item total must not be run every time the table is queried.

– The code must NOT use any object delimiters.

 

The solution must ensure that LineltemTotal is stored as the last column in the table. Part of the correct T- SQL statement has been provided in the answer area. Provide the complete code.

 

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Correct Answer:

CREATE TABLE OrderDetails

(

ListPrice money NOT NULL,

Quantity int NOT NULL,

LineItemTotal AS (ListPrice * Quantity) PERSISTED

)

 

 

 

 

 

 

 

 

 

QUESTION 104

You have a database named Sales that contains the tables shown in the exhibit. (Click the Exhibit button.)

 

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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 App1 that returns only the number of rows specified by the @Count parameter.

The solution must NOT use BEGIN and END statements.

Part of the correct T-SQL statement has been provided in the answer area. Provide the complete code.

 

image099

 

Correct Answer:

CREATE PROCEDURE usp_Customers @Count int

SELECT TOP(@Count)

Customers.LastName

FROM Customers

ORDER BY Customers.LastName

 

 

QUESTION 105

You need to create a query that calculates the total sales of each OrderlD from a table named Sales.Details. The table contains two columns named OrderlD and ExtendedAmount.

The solution must meet the following requirements:

 

– Use one-part names to reference columns.

– Start the order of the results from OrderlD.

– NOT depend on the default schema of a user.

– Use an alias of TotalSales for the calculated ExtendedAmount.

– Display only the OrderlD column and the calculated TotalSales column.

 

Provide the correct code in the answer area.

 

Correct Answer:

SELECT

OrderID,

SUM(ExtendedAmount) AS TotalSales

FROM Sales.Details

GROUP BY OrderID

ORDER BY OrderID

 

 

QUESTION 106

You have an XML schema collection named Sales.InvoiceSchema.

You need to declare a variable of the XML type named invoice. The solution must ensure that the invoice is validated by using Sales.InvoiceSchema.

Provide the correct code in the answer area.

 

Correct Answer:

DECLARE @invoice XML(Sales.InvoiceSchema)

 

 

QUESTION 107

You have a view that was created by using the following code:

 

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You need to create an inline table-valued function named Sales.fn_OrdersByTerritory. Sales.fn_OrdersByTerritory must meet the following requirements:

 

– Use one-part names to reference columns.

– Return the columns in the same order as the order used in OrdersByTerritoryView.

– Part of the correct T-SQL statement has been provided in the answer area.

Provide the complete code.

 

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Correct Answer:

 

CREATE FUNCTION Sales.fn_OrdersByTerritory (@T int)

RETURNS TABLE

AS

RETURN

(

SELECT

OrderID,

OrderDate,

SalesTerritoryID,

TotalDue

FROM Sales.OrdersByTerritory

WHERE SalesTerritoryID=@T

)

 

 

QUESTION 108

You have a database named Sales that contains the tables as shown in the exhibit. (Click the Exhibit button.)

 

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You need to create a query that meets the following requirements:

 

– References columns by using one-part names only.

– Groups aggregates by SalesTerritorylD, and then by ProductlD.

– Orders the results in descending order by SalesTerritorylD and then by ProductlD.

 

Part of the correct T-SQL statement has been provided in the answer area. Provide the complete code.

 

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Correct Answer:

 

SELECT SalesTerritoryID,

ProductID,

AVG(UnitPrice),

MAX(OrderQty)

MAX(DiscountAmount)

FROM Sales.Details

GROUP BY SalesTerritoryID, ProductID

ORDER BY SalesTerritoryID DESC, ProductID DESC

 

 

QUESTION 109

You have a database named Sales that contains the tables shown in the exhibit. (Click the Exhibit button).

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You need to create a query for a report. The query must meet the following requirements:

 

– NOT use object delimiters.

– 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.

 

The solution must support the ANSI SQL-99 standard.

Part of the correct T-SQL statement has been provided in the answer area. Provide the complete code.

 

image107

 

Correct Answer:

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 MAX (O.OrderDate) DESC

 

 

QUESTION 110

You have a database named Sales that contains the tables as shown in the exhibit. (Click the Exhibit button.)

 

image108

 

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.

 

Part of the correct T-SQL statement has been provided in the answer area. Provide the complete code.

 

image109

 

Correct Answer:

SELECT ProductCatalog.CatID, ProductCatalog.CatName, ProductCatalog.ProductID, ProductCatalog.ProdName, ProductCatalog.UnitPrice,

RANK() OVER (ORDER BY ProductCatalog.UnitPrice DESC) AS PriceRank

FROM Sales.ProductCatalog

ORDER BY ProductCatalog.UnitPrice DESC

 

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