certification questions testcenter 70-461 | www.it-exams.com IT Questions and answers for your sucess!!

certification questions testcenter 70-461
certification questions testcenter 70-461

IT Exam,IT Certification,braindump,original questions, question pool,document, braindump, test questions, test question, dumps, test answers, cert24.com, preparation, pdf, certification questions, answers Certification, certification test, practice test, exam dumps, certification training, answers real questions

70-461 Querying Microsoft SQL Server 2012 We believe in helping our customers achieve their goals. For this reason, we take great care while preparing our Questions and Answers , Core Administration. Our practice tests Administration are prepared with the help of highly professional people from the industry, so we benefit from their vast experience and knowledge.

certification questions testcenter 70-461

1.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

Answer: D

2.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 during reads, the transaction experiences blocking from concurrent updates. You need to ensure that throughout the transaction the data maintains the original version. 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.

Answer: M

3.You are developing a database application by using Microsoft SQL Server 2012. You have a query that runs slower than expected. You need to capture execution plans that will include detailed information on missing indexes recommended by the query optimizer. What should you do?

Answer: K

certification questions testcenter 70-461