[Free] 2018(Aug) Dumps4cert Microsoft 70-461 Dumps with VCE and PDF Download 31-40

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Querying Microsoft SQL Server 2012

Question No: 31

You develop three Microsoft SQL Server 2012 databases named Database1, Database2, and Database3. You have permissions on both Database1 and Database2.

You plan to write and deploy a stored procedure named dbo.usp_InsertEvent in Database3. dbo.usp_InsertEvent must execute other stored procedures in the other databases.

You need to ensure that callers that do not have permissions on Database1 or Database2 can execute the stored procedure.

Which Transact-SQL statement should you use?

  1. USE Database2

  2. EXECUTE AS OWNER

  3. USE Database1

  4. EXECUTE AS CALLER

Answer: B

Reference: http://msdn.microsoft.com/en-us/library/ms188354.aspx

Reference: http://blog.sqlauthority.com/2007/10/06/sql-server-executing-remote-stored- procedure-callingstored-procedure-on-linked-server/

Question No: 32

A table named Profits stores the total profit made each year within a territory. The Profits table has columns named Territory, Year, and Profit.

You need to create a report that displays the profits made by each territory for each year and its previous year.

Which Transact-SQL query should you use?

  1. SELECT Territory, Year, Profit,

    LEAD(Profit, 1, 0) OVER (PARTITION BY Territory ORDER BY Year) AS PrevProfit FROM Profits

  2. SELECT Territory, Year, Profit,

    LAG(Profit, 1, 0) OVER (PARTITION BY Year ORDER BY Territory) AS PrevProfit FROM Profits

  3. SELECT Territory, Year, Profit,

    LAG(Profit, 1, 0) OVER (PARTITION BY Territory ORDER BY Year) AS PrevProfit FROM Profits

  4. SELECT Territory, Year, Profit,

LEAD(Profit, 1, 0) OVER (PARTITION BY Year ORDER BY Territory) AS PrevProfit FROM Profits

Answer: C

Reference: http://msdn.microsoft.com/en-us/library/hh231256.aspx Reference: http://msdn.microsoft.com/en-us/library/hh213125.aspx

Question No: 33 CORRECT TEXT

You have a database named SALES that stored the sales data and the salespeople for your company.

You need to create a function that is passed a ProductID and then returns a list of SalesOrderID values for orders that must be associated to a salesperson in the future. The function must be able to return multiple SalesOrderID values.

Part of the correct Transact-SQL has been provided in the answer area below. Enter the code in the answer area that resolves the problem and meets the stated goals or requirements. You can add code within the code that has been provided as well as below it.

image

image

Use the Check Syntax button to verify your work. Any syntax or spelling errors will be reported by line and character position.

Answer: WHERE header.SalesPersonID IS NULL

Explanation:

On line 8 add: IS NULL to get:

CREATE FUNCTION dbo.OrdersWithNoSalesPerson(@ProductID INT) RETURNS

AS

header.SalesOrderID

FROM Sales.SalesOrderDetail detail

INNER JOIN Sales.SalesOrderHeader header on header.SalesOrderID = detail.SalesOrderID WHERE header.SalesPersonID IS NULL

AND detail.ProductID = @ProductID; GO

Note: IS NULL determines whether a specified expression is NULL. If the value of expression is NULL, IS NULL returns TRUE; otherwise, it returns FALSE.

To determine whether an expression is NULL, use IS NULL or IS NOT NULL instead of comparison operators (such as = or !=). Comparison operators return UNKNOWN when either or both arguments are NULL.

References:https://msdn.microsoft.com/en-us/library/ms188795.aspx

Question No: 34

You are a database developer at an independent software vendor. You create stored procedures that contain proprietary code.

You need to protect the code from being viewed by your customers. Which stored procedure option should you use?

  1. ENCRYPTBYKEY

  2. ENCRYPTION

  3. ENCRYPTBYPASSPHRASE

  4. ENCRYPTBYCERT

Answer: B

Reference: http://technet.microsoft.com/en-us/library/bb510663.aspx Reference: http://technet.microsoft.com/en-us/library/ms174361.aspx Reference: http://msdn.microsoft.com/en-us/library/ms187926.aspx Reference: http://technet.microsoft.com/en-us/library/ms190357.aspx Reference: http://technet.microsoft.com/en-us/library/ms188061.aspx

Question No: 35

You use Microsoft SQL Server 2012 to create a stored procedure as shown in the following code segment. (Line numbers are included for reference only.)

image

The procedure can be called within other transactions.

You need to ensure that when the DELETE statement from the

HumanResourcesJobCandidate table succeeds, the modification is retained even if the insert into the Audit.Log table fails.

Which code segment should you add to line 14?

  1. IF @@TRANCOUNT = 0

  2. IF (XACT_STATE ( ) ) = 0

  3. IF (XACT_STATE ( ) ) = 1

  4. IF @@TRANCOUNT = l

Answer: C

Reference: http://msdn.microsoft.com/en-us/library/ms189797.aspx Reference: http://msdn.microsoft.com/en-us/library/ms187967.aspx

Question No: 36

Your application contains a stored procedure for each country. Each stored procedure accepts an employee identification number through the @EmpID parameter.

You plan to build a single process for each employee that will execute the stored procedure based on the country of residence.

Which approach should you use?

  1. A recursive stored procedure

  2. Trigger

  3. An UPDATE statement that includes CASE

  4. Cursor

  5. The foreach SQLCLR statement

Answer: D

Question No: 37 CORRECT TEXT

Your database contains a table named Products that has columns named ProductID and

Name.

You want to write a query that retrieves data from the Products table sorted by Name listing 15 rows at a time.

You need to view rows 31 through 45.

Which Transact-SQL query should you create?

image

  1. Option A

  2. Option B

  3. Option C

  4. Option D

Answer: C

Explanation:

The OFFSET-FETCH clause provides you with an option to fetch only a window or page of results from the result set. OFFSET-FETCH can be used only with the ORDER BY clause.

Example: Skip first 10 rows from the sorted resultset and return next 5 rows.

SELECT First Name #39; #39; Last Name FROM Employees ORDER BY First Name OFFSET 10 ROWS FETCH NEXT 5 ROWS ONLY;

References: https://technet.microsoft.com/en-us/library/gg699618(v=sql.110).aspx

Question No: 38

You use Microsoft SQL Server 2012 to develop a database application. You need to create an object that meets the following requirements:

-> Takes an input parameter

-> Returns a table of values

-> Can be referenced within a view

Which object should you use?

  1. inline table-valued function

  2. user-defined data type

  3. stored procedure

  4. scalar-valued function

Answer: A

Question No: 39

You have a database application that uses Microsoft SQL Server 2012. You have a query named Query1 that returns four columns from a frequently updated table that has a clustered index. Three of the columns are referenced in the WHERE clause of the query. The three columns are part of a non-clustered index. The fourth column is not referenced in the WHERE clause.

Users report that the application begins to run slowly. You determine that the root cause for the performance issue is Query1.

You need to optimize the statement. What should you do?

  1. Add a HASH hint to the query.

  2. Add a LOOP hint to the query.

  3. Add a FORCESEEK hint to the query.

  4. Add an INCLUDE clause to the index.

  5. Add a FORCESCAN hint to the Attach query.

  6. Add a columnstore index to cover the query.

  7. Enable the optimize for ad hoc workloads option.

  8. Cover the unique clustered index with a columnstore index.

  9. Include a SET FORCEPLAN ON statement before you run the query.

  10. Include a SET STATISTICS PROFILE ON statement before you run the query.

  11. Include a SET STATISTICS SHOWPLAN_XML ON statement before you run the query.

  12. Include a SET TRANSACTION ISOLATION LEVEL REPEATABLE READ statement before you run the query.

  13. Include a SET TRANSACTION ISOLATION LEVEL SNAPSHOT statement before you run the query.

  14. Include a SET TRANSACTION ISOLATION LEVEL SERIALIZABLE statement before you run the query.

Answer: K

Explanation: SET SHOWPLAN_XML (Transact-SQL) causes SQL Server not to execute Transact-SQL statements. Instead, SQL Server returns detailed information about how the statements are going to be executed in the form of a well-defined XML document

Incorrect:

Not F: Columnstore indexes in the SQL Server Database Engine can be used to significantly speed-up the processing time of common data warehousing queries. Typical data warehousing workloads involve summarizing large amounts of data. But in this question the query is run on a table that is updated frequently, not a warehousing table.

Reference: SET SHOWPLAN_XML (Transact-SQL) https://msdn.microsoft.com/en-us/library/ms187757.aspx

Question No: 40

You develop a Microsoft SQL Server 2012 database that contains a table named Products. The Products table has the following definition:

image

You need to create an audit record only when either the RetailPrice or WholeSalePrice column is updated.

Which Transact-SQL query should you use?

  1. CREATE TRIGGER TrgPriceChange ON Products FOR UPDATE AS IF CCLUMNS_CHANGED(RetailPrice, WholesalePrice)

    • – Create Audit Records

  2. CREATE TRIGGER TrgPriceChange ON Products FOR UPDATE AS IF EXISTS(SELECT RetailPrice from inserted) OR

    EXISTS (SELECT WholeSalePnce FROM inserted)

    • – Create Audit Records

  3. CREATE TRIGGER TrgPriceChange ON Products FOR UPDATE AS IF COLUMNS_UPDATED(RetailPrice, WholesalePrice)

    • – Create Audit Records

  4. CREATE TRIGGER TrgPriceChange ON Products FOR UPDATE AS IF UPDATE(RetailPrice) OR UPDATE(WholeSalePrice)

  • – Create Audit Records

    Answer: D

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

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