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Question 1:

You use a Microsoft SQL Server 2012 database that contains two tables named SalesOrderHeader and SalesOrderDetail. The indexes on the tables are as shown in the exhibit.

You write the following Transact-SQL query:

You discover that the performance of the query is slow. Analysis of the query plan shows table scans where the estimated rows do not match the actual rows for SalesOrderHeader by using an unexpected index on SalesOrderDetail. You need to improve the performance of the query. What should you do?

A. Use a FORCESCAN hint in the query.

B. Add a clustered index on SalesOrderId in SalesOrderHeader.

C. Use a FORCESEEK hint in the query.

D. Update statistics on SalesOrderId on both tables.

Correct Answer: D

http://msdn.microsoft.com/en-us/library/ms187348.aspx

Question 2:

You develop a database for a travel application. You need to design tables and other database objects. You need to store media files in several tables. Each media file is less than 1MB in size. The media files will require fast access and will be retrieved frequently. What should you do?

A. Use the CAST function.

B. Use the DATE data type.

C. Use the FORMAT function.

D. Use an appropriate collation.

E. Use a user-defined table type.

F. Use the VARBINARY data type.

G. Use the DATETIME data type.

H. Use the DATETIME2 data type.

I. Use the DATETIMEOFFSET data type.

J. Use the TODATETIMEOFFSET function.

Correct Answer: F

http://msdn.microsoft.com/en-us/library/ms188362.aspx

Question 3:

You develop a Microsoft SQL Server 2012 database that contains a table named Products. The Products table has the following definition. You need to create an audit record only when either the RetailPrice or WholeSalePrice column is updated. Which Transact-SQL query should you use?

A. CREATE TRIGGER TrgPriceChange ON Products FOR UPDATE AS IF CCLUMNS_CHANGED(RetailPrice, WholesalePrice) – – Create Audit Records

B. CREATE TRIGGER TrgPriceChange ON Products FOR UPDATE AS IF EXISTS(SELECT RetailPrice from inserted) OR EXISTS (SELECT WholeSalePnce FROM inserted) – – Create Audit Records

C. CREATE TRIGGER TrgPriceChange ON Products FOR UPDATE AS IF COLUMNS_UPDATED(RetailPrice, WholesalePrice) – – Create Audit Records

D. CREATE TRIGGER TrgPriceChange ON Products FOR UPDATE AS IF UPDATE(RetailPrice) OR UPDATE(WholeSalePrice) – – Create Audit Records

Correct Answer: D

http://msdn.microsoft.com/en-us/library/bb510663.aspx http://msdn.microsoft.com/en-us/library/ms186329.aspx

Question 4:

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.

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 use an identity specification to include a seed of 1,000 and an increment of 1?

A. DateHired

B. DepartmentID

C. EmployeeID

D. EmployeeNum

E. FirstName

F. JobTitle

G. LastName

H. MiddleName

I. ReportsToID

Correct Answer: C

Question 5:

You develop a Microsoft SQL Server 2012 database. The database is used by two web applications that access a table named Products. You want to create an object that will prevent the applications from accessing the table directly while still providing access to the required data. You need to ensure that the following requirements are met:

–

Future modifications to the table definition will not affect the applications\’ ability to access data.

–

The new object can accommodate data retrieval and data modification.

You need to achieve this goal by using the minimum amount of changes to the applications. What should you create for each application?

A. Synonyms

B. Common table expressions

C. Views

D. Temporary tables

Correct Answer: C

http://msdn.microsoft.com/en-us/library/ms190174.aspx

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Question 6:

You develop a Microsoft SQL Server 2012 database that contains a table named Customers. The Customers table has the following definition. You need to create an audit record only when either the MobileNumber or HomeNumber column is updated. Which Transact-SQL query should you use?

A. CREATE TRIGGER TrgPhoneNumberChange ON Customers FOR UPDATE AS IF COLUMNS_UPDATED (HomeNumber, MobileNumber) – – Create Audit Records

B. CREATE TRIGGER TrgPhoneNumberChange ON Customers FOR UPDATE AS IF EXISTS( SELECT HomeNumber FROM inserted) OR EXISTS (SELECT MobileNumber FROM inserted) – – Create Audit Records

C. CREATE TRIGGER TrgPhoneNumberChange ON Customers FOR UPDATE AS IF COLUMNS_CHANGED (HomeNumber, MobileNumber) – – Create Audit Records

D. CREATE TRIGGER TrgPhoneNumberChange ON Customers FOR UPDATE

AS

IF UPDATE (HomeNumber) OR UPDATE (MobileNumber)

– – Create Audit Records

Correct Answer: D

http://msdn.microsoft.com/en-us/library/bb510663.aspx http://msdn.microsoft.com/en-us/library/ms186329.aspx

Question 7:

You administer a Microsoft SQL Server 2012 database named ContosoDb. Tables are defined as shown in the exhibit.

You need to display rows from the Orders table for the Customers row having the CustomerId value set to 1 in the following XML format.

Which Transact-SQL query should you use?

A. SELECT OrderId, OrderDate, Amount, Name, Country FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers-CustomerId WHERE Customers.CustomerId = 1 FOR XML RAW

B. SELECT OrderId, OrderDate, Amount, Name, Country FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers.CustomerId WHERE Customers=CustomerId = 1 FOR XML RAW, ELEMENTS

C. SELECT OrderId, OrderDate, Amount, Name, Country

FROM Orders INNER JOIN Customers

ON Orders.CustomerId = Customers.CustomerId

WHERE Customers.CustomerId = 1

FOR XML AUTO

D. SELECT OrderId, OrderDate, Amount, Name, Country FROM Orders INNER JOIN Customers ON Orders.CustomerId – Customers.CustomerId WHERE Customers.CustomerId= 1 FOR XML AUTO, ELEMENTS

E. SELECT Name, Country, OrderId, OrderDate, Amount FROM Orders INNER JOIN Customers ON Orders.CustomerId= Customers.CustomerId WHERE Customers.CustomerId- 1 FOR XML AUTO

F. SELECT Name, Country, Crderld, OrderDate, Amount FROM Orders INNER JOIN Customers ON Orders.CustomerId= Customers.CustomerId WHERE Customers.CustomerId= 1 FOR XML AUTO, ELEMENTS

G. SELECT Name AS \’@Name\’, Country AS \’@Country\’, OrderId, OrderDate, Amount FROM Orders INNER JOIN Customers ON Orders.CustomerId= Customers.CustomerId WHERE Customers.CustomerId= 1 FOR XML PATH (\’Customers\’)

H. SELECT Name AS \’Customers/Name\’, Country AS \’Customers/Country\’, OrderId, OrderDate, Amount FROM Orders INNER JOIN Customers ON Orders.CustomerId= Customers.CustomerId WHERE Customers.CustomerId= 1 FOR XML PATH (\’Customers\’)

Correct Answer: F

Question 8:

You develop a Microsoft SQL Server 2012 database. You need to create a batch process that meets the following requirements:

-Status information must be logged to a status table.

–

If the status table does not exist at the beginning of the batch, it must be created. Which object should you use?

A.

Scalar user-defined function

B.

Inline user-defined function

C.

Table-valued user-defined function

D.

Stored procedure

Correct Answer: D

http://msdn.microsoft.com/en-us/library/ms186755.aspx

Question 9:

What is true about the result of a query without an ORDER BY clause?

A. It is relational as long as other relational requirements are met.

B. It cannot have duplicates.

C. The order of the rows in the output is guaranteed to be the same as the insertion order.

D. The order of the rows in the output is guaranteed to be the same as that of the clustered index.

Correct Answer: A

Question 10:

You work as a database administrator at ABC.com. ABC.com has a SQL Server 2012 database named ProductsDB. The relevant part of the ProductsDB is shown in the following database diagram:

You need to write a Transact-SQL query that display a single row in the following XML format:

Which of the following SELECT statement would you write?

A. SELECT ProductID, ProductName AS [Product], UnitPrice AS [Price], UnitsInStock AS [InStock], CompanyName AS [Supplier], ContactName AS [Contact], Phone FROM Products INNER JOIN Suppliers ON SupplierID = SupplierID WHERE ProductID = 1001 FOR XML RAW

B. SELECT ProductID, ProductName AS [Product], UnitPrice AS [Price], UnitsInStock AS [InStock], CompanyName AS [Supplier], ContactName AS [Contact], Phone FROM Products INNER JOIN Suppliers ON SupplierID = SupplierID WHERE ProductID = 1001 FOR XML

C. SELECT ProductID, ProductName AS [Product], UnitPrice AS [Price], UnitsInStock AS [InStock], CompanyName AS [Supplier], ContactName AS [Contact], Phone FROM Products INNER JOIN Suppliers ON SupplierID = SupplierID WHERE ProductID = 1001 FOR XML AUTO

D. SELECT ProductID, ProductName AS [Product], UnitPrice AS [Price], UnitsInStock AS [InStock], CompanyName AS [Supplier], ContactName AS [Contact], Phone FROM Products INNER JOIN Suppliers ON SupplierID = SupplierID WHERE ProductID = 1001 FOR XML AUTO, RAW

Correct Answer: A

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