70-457 Microsoft questions and answers

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This 70-457 exam is intended for candidates who have already earned any one of the MCTS certifications on SQL Server 2008 and who wish to transition their skills to MCSA: SQL Server 2012.
Exam 70-457 sql : Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1
Exam 70-457 topics 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.
◦This objective may include but is not limited to: use appropriate data; understand the uses and limitations of each data type; impact of GUID (newid, newsequentialid) on database performance, when to use which data type for columns
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 : 50Q&As
Update Time : 2012-8-18
Price : $119.00
Free 70-457 exam dumps Demo Download
Question: 4   
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 in clude detailed
information on missing indexes recommended by the query optimizer. 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: K
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