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2021 Jul microsoft sql server 2012 development (70-464):
Q21. 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. Performance Monitor
B. Database Engine Tuning Advisor
C. Data Profile Viewer
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-sqlserver/ 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-executionplan.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
Q22. You execute the following code. After populating the Employees table with 10,000 rows, you execute the following query:
You need to reduce the amount of time it takes to execute the query.
What should you do?
A. Partition the table and use the JobTitle column for the partition scheme.
B. Change SUBSTRING(JobTitle,l,l) = 'C to JobTitle LIKE 'c%’
C. Change SUBSTRING (JobTitle, 1,1] = 'c' to LEFT(JobTitle ,1) = 'c'.
D. Replace IX_Employees with a clustered index.
Answer: B
Q23. You need to create the InvoiceStatus table in DB1.
How should you define the InvoiceID column in the CREATE TABLE statement?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: C
Q24. You need to identify the cause of the page split issues.
Which SQL Server feature should you use?
A. DBCC REINDEX
B. SQL Server Profiler
C. Extended Events
D. DBCC TRACEOFF
Answer: C
46. You need to design a solution that meets the refactoring requirements.
Which type of object should you include in the solution?
A. An indexed view
B. An aggregate function
C. A distributed view
D. A table-valued function
Answer: D
Q25. You have a SQL Server 2012 instance that hosts a single-user database.
The database does not contain user-created stored procedures or user-created functions.
You need to minimize the amount of memory used for query plan caching.
Which advanced server option should you modify?
A. Scan for Startup Procs
B. Enable Contained Databases
C. Optimize for Ad hoc Workloads
D. Allow Triggers to Fire Others
Answer: C
Most recent vtc - microsoft sql server 2012 development (exam 70-464) course:
Q26. You have a SQL Server 2012 database named Database1.
Database1 has a table named Customers. Customers contains more than 1 million rows.
The database has a stored procedure that was created by using the following script:
You need to ensure that up_customers returns rows when the following statement is executed:
EXECUTE up_customers'1,2,3,4,5'
What should you do?
A. Update @CustcmerTypelist to use the int data type.
B. Convert @CustomerTypeList to a table variable.
C. Convert @CustomerTypeList to an XML variable.
D. Update @CustomerTypeList to use the XML data type.
Answer: B
171. You have a SQL Azure database.
You need to identify which keyword must be used to create a view that will be indexed.
Which keyword should you identify?
A. SCHEMABINDING
B. VIEW_METADATA
C. DISTINCT
D. DEFAULT
Answer: A
Explanation:
http://msdn.microsoft.com/en-us/library/ms187956.aspx http://msdn.microsoft.com/en-us/library/ms191432.aspx
Q27. You use SQL Server 2014. The physical server is a dedicated database server that has 120GB of RAM available. There is approximately 50GB of storage space available on a
slow local disk.
You create a new stored procedure. You decide you need to temporarily hold approximately 300,000 rows from two tables, from which you will compute two complex business scores.
The stored procedure will use temporary storage defined as follows:
The code will make several passes through the data, applying complex calculations before writing the data to a permanent disk-based table in the same database from which it reads the data.
For this stored procedure, you need to deal with temporary data in the most efficient way to minimize physical disk pressure.
What should you do? More than one answer choice may achieve the goal. Select the BEST answer.
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A
Explanation: * You must specify a value for the BUCKET_COUNT parameter when you create the memory-optimized table. In most cases the bucket count should be between 1 and 2 times the number of distinct values in the index key. If the index key contains a lot of duplicate values, on average there are more than 10 rows for each index key value, use a nonclustered index instead You may not always be able to predict how many values a particular index key may have or will have. Performance should be acceptable if the BUCKET_COUNT value is within 5 times of the actual number of key values.
Q28. 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. Optimize for Ad hoc Workloads
B. Enable Contained Databases
C. Allow Triggers to Fire Others
D. Scan for Startup Procs
Answer: A
Q29. You are testing disaster recovery procedures.
You attempt to restore DB1 to a different server and you receive the following error message: "Msg 33111. Level 16, State 3, Line 1 Cannot find server certificate with thumbprint ,0xA694FBEA88C9354E5E2567C30A2A69E8FB4C44A9\ Msg 3013, Level 16, State 1, Line 1 RESTORE DATABASE is terminating abnormally."
You need to ensure that you can restore DB1 to a different server.
Which code segment should you execute?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: B
6. You need to modify InsertInvoice to comply with the application requirements. Which code segment should you execute?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: D
Q30. You execute the following code:
You create a nonclustered index named IX_CustomerName on the CustomerName column.
You execute the following query:
You need to reduce the amount of time it takes to execute the query.
What should you do?
A. Partition the table and use the CustomerName column for the partition scheme.
B. Replace IX_CustomerName with a clustered index.
C. Replace LEFT(CustomerName ,1) = 'a' with CustomerName LIKE 'a%'.
D. Replace LEFT(CustomerName ,1) = 'a' with SUBSTRING(CustomerName ,1,1) - 'a'.
Answer: C
Explanation:
http://msdn.microsoft.com/en-us/library/ms179859.aspx http://msdn.microsoft.com/en-us/library/ms187748.aspx