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Question 1:

You develop a Microsoft SQL Server 2012 database that contains a heap named OrdersHistoncal.

You write the following Transact-SQL query:

INSERT INTO OrdersHistorical SELECT * FROM CompletedOrders

You need to optimize transaction logging and locking for the statement. Which table hint should you use?

A. HOLDLOCK

B. ROWLOCK

C. XLOCK

D. UPDLOCK

E. TABLOCK

Correct Answer: E

http://technet.microsoft.com/en-us/library/ms189857.aspx http://msdn.microsoft.com/en-us/library/ms187373.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 have three tables that contain data for vendors, customers, and agents. You create a view that is used to look up telephone numbers for these companies. The view has the following definition. You need to ensure that users can update only the phone numbers by using this view. What should you do?

A. Alter the view. Use the EXPAND VIEWS query hint along with each SELECT statement.

B. Drop the view. Re-create the view by using the SCHEMABINDING clause, and then create an index on the view.

C. Create an AFTER UPDATE trigger on the view.

D. Create an INSTEAD OF UPDATE trigger on the view.

Correct Answer: D

http://msdn.microsoft.com/en-us/library/ms187956.aspx


Question 5:

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


Latest 70-461 Dumps70-461 Study Guide70-461 Exam Questions

Question 6:

You administer a database that includes a table named Customers that contains more than 750 rows. You create a new column named PartitionNumber of the int type in the table. You need to assign a PartitionNumber for each record in the Customers table. You also need to ensure that the PartitionNumber satisfies the following conditions:

-Always starts with 1.

Starts again from 1 after it reaches 100. Which Transact-SQL statement should you use?

A.

CREATE SEQUENCE CustomerSequence AS int START WITH 0 INCREMENT BY 1 MINVALUE 1 MAXVALUE 100 UPDATE Customers SET PartitionNumber = NEXT VALOE FOR CustomerSequence DROP SEQUENCE CustomerSequence

B.

CREATE SEQUENCE CustomerSequence AS int START WITH 1 INCREMENT BY 1 MINVALUE 1 MAXVALUE 100 CYCLE UPDATE Customers SET PartitionNumber = NEXT VALUE FOR CustomerSequence DROP SEQUENCE CustomerSequence

C.

CREATE SEQUENCE CustomerSequence AS int START WITH 1 INCREMENT BY 1 MINVALUE 1 MAXVALUE 100 UPDATE Customers SET PartitionNumber = NEXT VALUE FOR CustomerSequence 1 DROP SEQUENCE CustomerSequence

D.

CREATE SEQUENCE CustomerSequence AS int START WITH 1 INCREMENT BY 1 MINVALUE 0 MAXVALUE 100 CYCLE UPTATE Customers SET PartitionNumber = NEXT VALUE FOR CustomerSequence DROP SEQUENCE CustomerSequence

Correct Answer: B

http://msdn.microsoft.com/en-us/library/ff878091.aspx


Question 7:

You use Microsoft SQL Server 2012 database to develop a shopping cart application. You need to invoke a table-valued function for each row returned by a query. Which Transact-SQL operator should you use?

A. CROSS JOIN

B. UNPIVOT

C. PIVOT

D. CROSS APPLY

Correct Answer: D

http://msdn.microsoft.com/en-us/library/ms175156.aspx


Question 8:

What is the difference between the simple CASE expression and the searched CASE expression?

A. The simple CASE expression is used when the database recovery model is simple, and the searched CASE expression is used when it\’s full or bulk logged.

B. The simple CASE expression compares an input expression to multiple possible expressions in the WHEN clauses, and the searched CASE expression uses independent predicates in the WHEN clauses.

C. The simple CASE expression can be used anywhere in a query, and the searched CASE expression can be used only in the WHERE clause.

D. The simple CASE expression can be used anywhere in a query, and the searched CASE expression can be used only in query filters (ON, WHERE, HAVING).

Correct Answer: B


Question 9:

What is the relationship between SQL and T-SQL?

A. T-SQL is the standard language and SQL is the dialect in Microsoft SQL Server.

B. SQL is the standard language and T-SQL is the dialect in Microsoft SQL Server.

C. Both SQL and T-SQL are standard languages.

D. Both SQL and T-SQL are dialects in Microsoft SQL Server.

Correct Answer: B


Question 10:

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


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