Exam 70-457 questions

Microsoft Certified Systems Administrator (MCSA)
Microsoft Application Specialist (MCAS)
Microsoft Certified Systems Engineer (MCSE)
Microsoft Certified Trainer (MCT)
Microsoft Office Specialist (MOS)
Microsoft Certified Application Developer (MCAD)
Microsoft Certified Solution Developer (MCSD)
Microsoft Certified Desktop Support Technician (MCDST)
Microsoft Certified Database Administrator (MCDBA)

Free 70-457 Demo Download
Question: 1
You are developing a database app lication by using Microsoft SQL Server 2012. An application that
uses a database begins to run slowly. Your investigation shows the root cause is a query against a
read -only table that has a clustered index. The query returns the following six columns:
• One column in its WHERE clause contained in a non-clustered index
• Four additional columns
• One COUNT (*) column based on a grouping of the four additional columns
You need to optimize the statement. 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 L EVEL SERIALIZABLE statement before you run the query.
Answer: F

Exam 70-457 book : Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1 Work with Data
•Query data by using SELECT statements.
◦This objective may include but is not limited to: use the ranking function to select top(X) rows for multiple categories in a single query; write and perform queries efficiently using the new code items such as synonyms and joins (except, intersect); implement logic which uses dynamic SQL and system metadata; write efficient, technically complex SQL queries, including all types of joins versus the use of derived tables; determine what code may or may not execute based on the tables provided; given a table with constraints, determine which statement set would load a table; use and understand different data access technologies; CASE versus ISNULL versus COALESCE
•Implement sub-queries.
◦This objective may include but is not limited to: identify problematic elements in query plans; pivot and unpivot; apply operator; cte statement; with statement
•Implement data types.

We provide the latest, most effective 70-457 practice questions for Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1 Exam, with the questions and answers we specially prepared, you can quickly grasp the points you need for Microsoft Certified Specialist 70-457 Dumps. To help with these preparations there are plenty of 70-457 study materials available on the Internet that can dispel all these fears and nervousness.

If you use Test4actual braindumps as your 70-457 Exam prepare material, we guarantee your success in the first attempt. If you do not pass the 70-457 exam (Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1) on your first attempt we will give you a FULL REFUND of your purchasing fee,if you purchase 70-457 Q&A,enjoy the upgrade Q&A service for free in one year.

Microsoft Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1 70-457
Exam Number/Code : 70-457
Exam Name : Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1
One year free update
Once failed,100% refund
Questions and Answers : 184Q&As
Update Time : 2013-12-21
Price :$89.00