2016/10 New Microsoft 70-464: Developing Microsoft SQL Server 2012/2014 Databases Exam Questions Updated Today!
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QUESTION 11
You have a database for a mission-critical web application.
The database is stored on a SQL Server 2012 instance and is the only database on the instance. The application generates all T-SQL statements dynamically and does not use stored procedures.
You need to maximize the amount of memory available for data caching.
Which advanced server option should you modify?
A. scan for Startup Procs
B. Allow Triggers to Fire Others
C. Enable Contained Databases
D. Optimize for Ad hoc Workloads
Answer: D
QUESTION 12
Drag and Drop Question
You have a database that contains three tables.
The tables are configured as shown in the following table.
You have the following query:
The execution plan for the query is shown in the exhibit. (Click the Exhibit button.)
You need to create one index to minimize the amount of time it takes to execute the query.
What should you do? To answer, drag the appropriate columns to the correct locations in the answer area. (Answer choices may be used once, more than once, or not at all.)
Answer:
QUESTION 13
You use SQL Server 2012 to store data used by an e-commerce application.
You develop a stored procedure named sp1.
Sp1 is used to read the price of all the products sold on the e-commerce site.
You need to ensure that sp1 can read data even while another transaction is modifying the price of a product.
Sp1 must only read committed data.
Which transaction isolation level should you use in sp1?
A. Serializable
B. Snapshot
C. Repeatable read
D. Read committed
Answer: B
QUESTION 14
Drag and Drop Question
You have a table named Table1.
Table1 has 1 million rows.
Table1 has a columnstore index for a column named Column1.
You need to import data to Table1.
The solution must minimize the amount of time it takes to import the data.
What should you do? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.
Answer:
QUESTION 15
You have a table named Rooms that contains three columns.
You execute the following query:
You discover the execution plan shown in the exhibit. (Click the Exhibit button.)
You need to recommend a solution to reduce the amount of time it takes to execute the query. What should you do? More than one answer choice may achieve the goal. Select the BEST answer.
A. use the WITH (INDEX( Room_IX),NOLOCK) query hint.
B. Create a clustered index for Id.
C. Include the RoomName column and the Position column in the Room_IX index.
D. Create a nonclustered index for RoomName, Id, and Position.
Answer: D
QUESTION 16
You have a server that has SQL Server 2012 installed.
You need to identify which parallel execution plans are running in serial.
Which tool should you use?
A. Data Profile Viewer
B. Database Engine Tuning Advisor
C. Performance Monitor
D. Extended Events
Answer: D
Explanation:
http://msdn.microsoft.com/en-us/library/bb677278.aspx
http://msdn.microsoft.com/en-us/library/bb630282.aspx
http://www.sql-server-performance.com/2006/query-execution-plan-analysis/
http://www.simple-talk.com/sql/learn-sql-server/understanding-and-using-parallelism-in-sql- server/
http://www.sqlservercentral.com/articles/SQL+Server+2012/At+last%2c+execution+plans+show+true+thread+reservations./92458/
http://sqlblog.com/blogs/paul_white/archive/2011/12/23/forcing-a-parallel-query-execution-plan.aspx
http://sqlblog.com/blogs/paul_white/archive/2012/05/02/parallel-row-goals-gone-rogue.aspx
http://msdn.microsoft.com/en-us/library/bb895310.aspx
http://msdn.microsoft.com/en-us/library/bb895313.aspx
http://msdn.microsoft.com/en-us/library/hh231122.aspx
QUESTION 17
You have a database named database1.
Database developers report that there are many deadlocks.
You need to implement a solution to monitor the deadlocks.
The solution must meet the following requirements:
– Support real-time monitoring.
– Be enabled and disabled easily.
– Support querying of the monitored data.
What should you implement? More than one answer choice may achieve the goal. Select the BEST answer.
A. an Extended Events session
B. a SQL Server Profiler template
C. log errors by using trace flag 1204
D. log errors by using trace flag 1222
Answer: A
Explanation:
http://www.sqlservercentral.com/blogs/james-sql-footprint/2012/08/12/monitor-deadlock-in- sql-2012/
http://blogs.technet.com/b/mspfe/archive/2012/06/28/how_2d00_to_2d00_monitor_2d00_deadlocks_2d00_in_2d00_sql_2d00_server.aspx
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