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QUESTION NO:78
You use Microsoft SQL Server 2012 to develop a database application.
You create a stored procedure named dbo.ModifyData that can modify rows.
You need to ensure that when the transaction fails, dbo.ModifyData meets the following requirements:
Does not return an error
Closes all opened transactions
Which Transact-SQL statement should you use?
A. BEGIN TRANSACTION
BEGIN TRY
EXEC dbo.ModifyData
COMMIT TRANSACTION
END TRY
BEGIN CATCH
IF @@ TRANCOUNT = 0
ROLLBACK TRANSACTION;
END CATCH
B. BEGIN TRANSACTION
BEGIN TRY
EXEC dbo.ModifyData
COMMIT TRANSACTION
END TRY
BEGIN CATCH
IF @@ERROR != 0
ROLLBACK TRANSACTION;
THROW;
END CATCH
C. BEGIN TRANSACTION
BEGIN TRY
EXEC dbo.ModifyData
COMMIT TRANSACTION
END TRY
BEGIN CATCH
IF @@TRANCOUNT = 0
ROLLBACK TRANSACTION;
THROW;
END CATCH
D. BEGIN TRANSACTION
BEGIN TRY
EXEC dbo.ModifyData
COMMIT TRANSACTION
END TRY
BEGIN CATCH
IF @@ERROR != 0
ROLLBACK TRANSACTION;
END CATCH
Correct Answer: D
Explanation
Explanation/Reference:
QUESTION NO:28
You administer a Microsoft SQL Server database that supports a banking transaction management
application.
You need to retrieve a list of account holders who live in cities that do not have a branch location.
Which Transact-SQL query or queries should you use? (Each correct answer presents a complete
solution. Choose all that apply.)
A. SELECT AccountHolderID
FROM AccountHolder
WHERE CityID NOT IN (SELECT CityID FROM BranchMaster)
B. SELECT AccountHolderID
FROM AccountHolder
WHERE CityID ALL (SELECT CityID FROM BranchMaster)
C. SELECT AccountHolderlD
FROM AccountHolder
WHERE CityID SOME (SELECT CityID FROM BranchMaster)
D. SELECT AccountHolderID
FROM AccountHolder
WHERE CityID ANY (SELECT CityID FROM BranchMaster)
Correct Answer: AB
Explanation
Explanation/Reference:
Explanation:
Verified the answers as correct.
Reference: http://msdn.microsoft.com/en-us/library/ms188047.aspx
Reference: http://msdn.microsoft.com/en-us/library/ms177682.aspx
Reference: http://msdn.microsoft.com/en-us/library/ms173545.aspx
QUESTION NO:52
You develop a Microsoft SQL Server 2012 database. You create a view that performs the following tasks:
Joins 8 tables that contain up to 500,000 records each.
Performs aggregations on 5 fields.
The view is frequently used in several reports.
You need to improve the performance of the reports.
What should you do?
A. Convert the view into a table-valued function.
B. Convert the view into a Common Table Expression (CTE).
C. Convert the view into an indexed view.
D. Convert the view into a stored procedure and retrieve the result from the stored procedure into a
temporary table.
Correct Answer: C
Explanation
Explanation/Reference:
Explanation:
Reference: http://msdn.microsoft.com/en-us/library/ms191432.aspx
QUESTION NO:62
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 FROM (
SELECT StudentCode, Marks AS Marks,
RANK() OVER(PARTITION BY SubjectCode ORDER BY 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
Explanation
Explanation/Reference:
Explanation:
Reference: http://msdn.microsoft.com/en-us/library/ms189798.aspx
QUESTION NO:67
You develop a Microsoft SQL Server 2012 database that contains tables named Customers and Orders.
The tables are related by a column named CustomerId.
You need to create a query that meets the following requirements:
Returns the CustomerName for all customers and the OrderDate for any orders that they have placed.
Results must not include customers who have not placed any orders.
Which Transact-SQL query should you use?
A. SELECT CustomerName, OrderDate
FROM Customers
LEFT OUTER JOIN Orders
ON Customers.CuscomerlD = Orders.CustomerId
B. SELECT CustomerName, OrderDate
FROM Customers
RIGHT OUTER JOIN Orders
ON Customers.CustomerID = Orders.CustomerId
C. SELECT CustomerName, OrderDate
FROM Customers
CROSS JOIN Orders
ON Customers.CustomerId = Orders.CustomerId
D. SELECT CustomerName, OrderDate
FROM Customers
JOIN Orders
ON Customers.CustomerId = Orders.CustomerId
Correct Answer: D
Explanation
Explanation/Reference:
Explanation:
Reference: http://msdn.microsoft.com/en-us/library/ms177634.aspx
QUESTION NO:29
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.)
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 unique constraint?
A. DateHired
B. DepartmentID
C. EmployeelD
D. EmployeeNum
E. FirstName
F. JobTitle
G. LastName
H. MiddleName
I. ReportsToID
Correct Answer: D
Explanation
Explanation/Reference:
QUESTION NO:17
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 1 MB 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
Explanation
Explanation/Reference:
Explanation:
Reference: http://msdn.microsoft.com/en-us/library/ms188362.aspx
QUESTION NO:2
You develop a Microsoft SQL Server 2012 database. You create a view from the Orders and OrderDetails
tables by using the following definition.
You need to improve the performance of the view by persisting data to disk. What should you do?
A. Create an INSTEAD OF trigger on the view.
B. Create an AFTER trigger on the view.
C. Modify the view to use the WITH VIEW_METADATA clause.
D. Create a clustered index on the view.
Correct Answer: D
Explanation
Explanation/Reference:
Explanation:
Reference: http://msdn.microsoft.com/en-us/library/ms188783.aspx
QUESTION NO:12
You develop a Microsoft SQL Server 2012 database.
You need to create a batch process that meets the following requirements:
Returns a result set based on supplied parameters.
Enables the returned result set to perform a join with a table.
Which object should you use?
A. Inline user-defined function
B. Stored procedure
C. Table-valued user-defined function
D. Scalar user-defined function
Correct Answer: C
Explanation
Explanation/Reference:
QUESTION NO:75
You administer a Microsoft SQL Server database named Sales. The database is 3 terabytes in size. The
Sales database is configured as shown in the following table.
You discover that Sales_2.ndf is corrupt. You need to recover the corrupted data in the minimum amount
of time. What should you do?
A. Perform a file restore.
B. Perform a transaction log restore.
C. Perform a restore from a full backup.
D. Perform a filegroup restore.
Correct Answer: A
Explanation
Explanation/Reference:
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