15 10 2016

2016/10 New Microsoft 70-464: Developing Microsoft SQL Server 2012/2014 Databases Exam Questions Updated Today!
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QUESTION 46
You are evaluating the index design.
You need to recommend a change to Indexes.sql that will minimize the amount of time it
takes for usp_AttendeesReport to execute.
The solution must minimize the amount of database fragmentation.
Which line of code should you use to replace line 12 of Indexes.sql?

A.    (LastName);
B.    (FirstName) INCLUDE (LastName);
C.    (LastName, FirstName);
D.    (LastName) INCLUDE (FirstName);

Answer: C

QUESTION 47
You need to recommend a solution to ensure that SQL1 supports the auditing requirements of usp_UpdateSpeakerName.
What should you include in the recommendation?

A.    The Distributed Transaction Coordinator (DTC)
B.    Transactional replication
C.    Change data capture
D.    Change tracking

Answer: A

QUESTION 48
You need to modify usp_SelectSpeakersByName to support server-side paging.
The solution must minimize the amount of development effort required.
What should you add to usp_SelectSpeakersByName?

A.    an OFFSET-FETCH clause
B.    a table variable
C.    the ROWNUMBER keyword
D.    a recursive common table expression

Answer: A
Explanation:
http://www.mssqltips.com/sqlservertip/2696/comparing-performance-for-different-sql-server-paging-methods/
http://msdn.microsoft.com/en-us/library/ms188385.aspx
http://msdn.microsoft.com/en-us/library/ms180152.aspx
http://msdn.microsoft.com/en-us/library/ms186243.aspx
http://msdn.microsoft.com/en-us/library/ms186734.aspx
http://www.sqlserver-training.com/how-to-use-offset-fetch-option-in-sql-server-order-by-clause/-
http://www.sqlservercentral.com/blogs/juggling_with_sql/2011/11/30/using-offset-and-fetch/

QUESTION 49
You are evaluating the table design.
You need to recommend a change to Tables.sql that reduces the amount of time it takes for usp_AttendeesReport to execute.
What should you add at line 14 of Tables.sql?
 

A.    Option A
B.    Option B
C.    Option C
D.    Option D

Answer: D
Explanation:
http://msdn.microsoft.com/en-us/library/ms188300.aspx
http://msdn.microsoft.com/en-us/library/ms191250.aspx

QUESTION 50
You need to provide referential integrity between the Sessions table and Speakers table.
Which code segment should you add at line 47 of Tables.sql?
 

A.    Option A
B.    Option B
C.    Option C
D.    Option D

Answer: C
Explanation:
http://msdn.microsoft.com/en-us/library/ms189049.aspx
http://msdn.microsoft.com/en-us/library/ms179610.aspx
http://msdn.microsoft.com/en-us/library/ff878370.aspx

QUESTION 51
You need to add a new column named Confirmed to the Attendees table.
The solution must meet the following requirements:
– Have a default value of false.
– Minimize the amount of disk space used.
Which code block should you use?
 

A.    Option A
B.    Option B
C.    Option C
D.    Option D

Answer: B
Explanation:
http://msdn.microsoft.com/en-us/library/ms177603.aspx

QUESTION 52
You execute usp_TestSpeakers.
You discover that usp_SelectSpeakersByName uses inefficient execution plans.
You need to update usp_SelectSpeakersByName to ensure that the most efficient execution plan is used.
What should you add at line 30 of Procedures.sql?

A.    OPTION (FCRCESCAN)
B.    OPTION (FCRCESEEX)
C.    OPTION (OPTIMIZE FOR UNKNOWN)
D.    OPTION (OPTIMIZE FOR (@lastName = ‘Anderson’))

Answer: C
Explanation:
http://msdn.microsoft.com/en-us/library/ms181714.aspx

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