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Question 1:

You use a Microsoft SQL Server 2012 database. You want to create a table to store Microsoft Word documents. You need to ensure that the documents must only be accessible via Transact-SQL queries. Which Transact-SQL statement should you use?

A. CREATE TABLE DocumentStore ( [Id] INT NOT NULL PRIMARY KEY, [Document] VARBINARY(MAX) NULL ) GO

B. CREATE TABLE DocumentStore ( [Id] hierarchyid, [Document] NVARCHAR NOT NULL ) GO

C. CREATE TABLE DocumentStore AS FileTable

D. CREATE TABLE DocumentStore ( [Id] [uniqueidentifier] ROWGUIDCOL NOT NULL UNIQUE, [Document] VARBINARY(MAX) FILESTREAM NULL ) GO

Correct Answer: A

http://msdn.microsoft.com/en-us/library/gg471497.aspx http://msdn.microsoft.com/en-us/library/ff929144.aspx


Question 2:

You use Microsoft SQL Server 2012 database to develop a shopping cart application. You need to rotate the unique values of the ProductName field of a table-valued expression into multiple columns in the output. Which Transact-SQL operator should you use?

A. CROSS JOIN

B. CROSS APPLY

C. PIVOT

D. UNPIVOT

Correct Answer: C

http://technet.microsoft.com/en-us/library/ms177634.aspx


Question 3:

You create a table that has the StudentCode, SubjectCode, and Marks columns to record mid-year marks for students. The table has marks obtained by 50 students for various subjects. You need to ensure that the following requirements are met:

-Students must be ranked based on their average marks.

If one or more students have the same average, the same rank must be given to these students.

Consecutive ranks must be skipped when the same rank is assigned. Which Transact-SQL query should you use?

A.

SELECT StudentCode as Code, RANK ( ) OVER (ORDER BY AVG (Marks) DESC) AS Value FROM StudentMarks GROUP BY StudentCode

B.

SELECT Id, Name, Marks, DENSE_RANK () OVER (ORDER BY Marks DESC) AS Rank FROM StudentMarks

C.

SELECT StudentCode as Code, DENSE_RANK () OVER (ORDER BY AVG (Marks) DESC) AS Value FROM StudentMarks GROUP BY StudentCode

D.

SELECT StudentCode as Code, NTILE (2) OVER (ORDER BY AVG (Marks) DESC) AS Value FROM StudentMarks GROUP BY StudentCode

E.

SELECT StudentCode AS Code,Marks AS Value FROM (SELECT StudentCode, Marks AS Marks, RANK () OVER (PARTITION BY SubjectCode ORDER BY Marks ASC) AS Rank FROM StudentMarks) tmp WHERE Rank = 1

F.

SELECT StudentCode AS Code,Marks AS Value FRCM ( SELECT StudentCode, Marks AS Marks, RANK() OVER (PARTITION BY SubjectCode ORDER 3Y Marks DESC) AS Rank FROM StudentMarks) tmp WHERE Rank = 1

G.

SELECT StudentCode AS Code,Marks AS Value FROM (SELECT StudentCode, Marks AS Marks, RANK () OVER (PARTITION BY StudentCode ORDER BY Marks ASC) AS Rank FROM StudentMarks) tmp WHERE Rank = 1

H.

SELECT StudentCode AS Code,Marks AS Value FROM (SELECT StudentCode, Marks AS Marks, RANXO OVER (PARTITION BY StudentCode ORDER BY Marks DESC) AS Rank FROM StudentMarks) tmp WHERE Rank = 1

Correct Answer: A

http://msdn.microsoft.com/en-us/library/ms189798.aspx


Question 4:

You create a table that has the StudentCode, SubjectCode, and Marks columns to record mid-year marks for students. The table has marks obtained by 50 students for various subjects. You need to retrieve the students who scored the highest marks for each subject along with the marks. Which Transact-SQL query should you use?

A. SELECT StudentCode as Code, RANK ( ) OVER (ORDER BY AVG (Marks) DESC) AS Value FROM StudentMarks GROUP BY StudentCode

B. SELECT Id, Name, Marks, DENSE_RANK () OVER (ORDER BY Marks DESC) AS Rank FROM StudentMarks

C. SELECT StudentCode as Code, DENSE_RANK () OVER (ORDER BY AVG (Marks) DESC) AS Value FROM StudentMarks GROUP BY StudentCode

D. SELECT StudentCode as Code, NTILE (2) OVER (ORDER BY AVG (Marks) DESC) AS Value FROM StudentMarks GROUP BY StudentCode

E. SELECT StudentCode AS Code,Marks AS Value FROM (SELECT StudentCode, Marks AS Marks, RANK () OVER (PARTITION BY SubjectCode ORDER BY Marks ASC) AS Rank FROM StudentMarks) tmp WHERE Rank = 1

F. SELECT StudentCode AS Code,Marks AS Value FRCM ( SELECT StudentCode, Marks AS Marks, RANK() OVER (PARTITION BY SubjectCode ORDER 3Y Marks DESC) AS Rank FRCM StudentMarks) tmp WHERE Rank = 1

G. SELECT StudentCode AS Code,Marks AS Value FROM (SELECT StudentCode, Marks AS Marks, RANK () OVER (PARTITION BY StudentCode ORDER BY Marks ASC) AS Rank FROM StudentMarks) tmp WHERE Rank = 1

H. SELECT StudentCode AS Code,Marks AS Value FROM (SELECT StudentCode, Marks AS Marks, RANXO OVER (PARTITION BY StudentCode ORDER BY Marks DESC) AS Rank FROM StudentMarks) tmp WHERE Rank = 1

Correct Answer: F


Question 5:

You use Microsoft SQL Server 2012 to develop a database application. You need to implement a computed column that references a lookup table by using an INNER JOIN against another table. What should you do?

A. Reference a user-defined function within the computed column.

B. Create a BEFORE trigger that maintains the state of the computed column.

C. Add a default constraint to the computed column that implements hard-coded values.

D. Add a default constraint to the computed column that implements hard-coded CASE statements.

Correct Answer: A


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Question 6:

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 variable.

Returns a table of values Cannot be referenced within a view. Which object should you use?

A.

Scalar-valued function

B.

Inline function

C.

User-defined data type

D.

Stored procedure

Correct Answer: D


Question 7:

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?

A. a recursive stored procedure

B. Trigger

C. An UPDATE statement that includes CASE

D. Cursor

E. The foreach SQLCLR statement

Correct Answer: D


Question 8:

You are developing a database application by using Microsoft SQL Server 2012. An application that uses a database begins to run slowly. You discover that a large amount of memory is consumed by single-use dynamic queries. You need to reduce procedure cache usage from these statements without creating any additional indexes. What should you do?

A. Add a HASH hint to the query.

B. Add a LOOP hint to the query.

C. Add a FORCESEEK hint to the query.

D. Add an INCLUDE clause to the index.

E. Add a FORCESCAN hint to the Attach query.

F. Add a columnstore index to cover the query.

G. Enable the optimize for ad hoc workloads option.

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

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

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

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

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

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

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

Correct Answer: G

http://msdn.microsoft.com/en-us/library/cc645587.aspx


Question 9:

You work as a SQL Server 2012 database developer at ABC.com. You are developing a query for a database driven Web application that allows visitors to vote for the cricket player of the week. The number of votes is stored in a table named WeeklyVotes that has columns named Week, PlayerName, Votes.

You need to write a Transact-SQL query that ranks the top 30 cricket players by the average votes over the last 12 months. You want the top 10 cricket players to have a rank of 1, the next 10 to have a rank of 2, and the last 10 to have a rank

of 3.

Which of the following SELECT statement would you use?

To answer, type the correct code in the answer area.

A. check the answer in explanation.

Correct Answer: A

SELECT TOP 30 PlayerName, NTILE (3) OVER (ORDER BY AVG (Votes) DESC) AS AveVotes FROM WeeklyVotes GROUP BY PlayerName


Question 10:

You work as a SQL Server 2012 database developer at ABC.com.

You are developing a batch process that accepts an input parameter and allows the result set to be joined with a table.

How would you accomplish this?

A. You should make use of a stored procedure to perform the batch process.

B. You should make use of a table-valued user-defined function.

C. You should make use of the SET XACT_ABORT ON statement.

D. You should make use of a scalar user-defined function.

E. You should make use of a schema-bound user-defined function.

Correct Answer: B

Ref: h http://msdn.microsoft.com/en-us/library/ms191007.aspx


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